diff --git a/rc/fzf.kak b/rc/fzf.kak
index 7f12c55..21ab66d 100644
--- a/rc/fzf.kak
+++ b/rc/fzf.kak
@@ -222,9 +222,9 @@ fzf -params .. %{ evaluate-commands %sh{
             (
                 while read -r line; do
                     case ${line} in
-                        ("${kak_opt_fzf_window_map:-}")     wincmd="fzf-window"     ;;
-                        ("${kak_opt_fzf_vertical_map:-}")   wincmd="fzf-vertical"   ;;
-                        ("${kak_opt_fzf_horizontal_map:-}") wincmd="fzf-horizontal" ;;
+                        ("${kak_opt_fzf_window_map:-ctrl-w}")     wincmd="fzf-window"     ;;
+                        ("${kak_opt_fzf_vertical_map:-ctrl-v}")   wincmd="fzf-vertical"   ;;
+                        ("${kak_opt_fzf_horizontal_map:-ctrl-s}") wincmd="fzf-horizontal" ;;
                         (*)                                 item=${line} ;;
                     esac
                     if [ -n "${item}" ]; then
diff --git a/rc/modules/VCS/fzf-bzr.kak b/rc/modules/VCS/fzf-bzr.kak
index a25c8fa..c24ed6c 100644
--- a/rc/modules/VCS/fzf-bzr.kak
+++ b/rc/modules/VCS/fzf-bzr.kak
@@ -24,8 +24,8 @@ define-command -hidden fzf-bzr %{ evaluate-commands %sh{
         (bzr)  cmd="(cd $repo_root && bzr ls -R --versioned)" ;;
         (*)    cmd=$kak_opt_fzf_bzr_command ;;
     esac
-    [ -n "${kak_client_env_TMUX}" ] && additional_flags="--expect $kak_opt_fzf_vertical_map --expect $kak_opt_fzf_horizontal_map"
-    printf "%s\n" "fzf -kak-cmd %{edit -existing} -items-cmd %{$cmd} -fzf-args %{-m --expect $kak_opt_fzf_window_map $additional_flags} -filter %{perl -pe \"if (/$kak_opt_fzf_window_map|$kak_opt_fzf_vertical_map|$kak_opt_fzf_horizontal_map|^$/) {} else {print \\\"$repo_root/\\\"}\"}"
+    [ -n "${kak_client_env_TMUX}" ] && additional_flags="--expect ${kak_opt_fzf_vertical_map:-ctrl-v} --expect ${kak_opt_fzf_horizontal_map:-ctrl-s}"
+    printf "%s\n" "fzf -kak-cmd %{edit -existing} -items-cmd %{$cmd} -fzf-args %{-m --expect ${kak_opt_fzf_window_map:-ctrl-w} $additional_flags} -filter %{perl -pe \"if (/${kak_opt_fzf_window_map:-ctrl-w}|${kak_opt_fzf_vertical_map:-ctrl-v}|${kak_opt_fzf_horizontal_map:-ctrl-s}|^$/) {} else {print \\\"$repo_root/\\\"}\"}"
 }}
 
 §
diff --git a/rc/modules/VCS/fzf-git.kak b/rc/modules/VCS/fzf-git.kak
index d1e878b..8227eb8 100644
--- a/rc/modules/VCS/fzf-git.kak
+++ b/rc/modules/VCS/fzf-git.kak
@@ -24,8 +24,8 @@ define-command -hidden fzf-git %{ evaluate-commands %sh{
         (git)  cmd='git ls-tree --full-tree --name-only -r HEAD' ;;
         (*)    cmd=$kak_opt_fzf_git_command ;;
     esac
-    [ ! -z "${kak_client_env_TMUX}" ] && additional_flags="--expect $kak_opt_fzf_vertical_map --expect $kak_opt_fzf_horizontal_map"
-    printf "%s\n" "fzf -kak-cmd %{edit -existing} -items-cmd %{$cmd} -fzf-args %{-m --expect $kak_opt_fzf_window_map $additional_flags} -filter %{perl -pe \"if (/$kak_opt_fzf_window_map|$kak_opt_fzf_vertical_map|$kak_opt_fzf_horizontal_map|^$/) {} else {print \\\"$(git rev-parse --show-toplevel)/\\\"}\"}"
+    [ ! -z "${kak_client_env_TMUX}" ] && additional_flags="--expect ${kak_opt_fzf_vertical_map:-ctrl-v} --expect ${kak_opt_fzf_horizontal_map:-ctrl-s}"
+    printf "%s\n" "fzf -kak-cmd %{edit -existing} -items-cmd %{$cmd} -fzf-args %{-m --expect ${kak_opt_fzf_window_map:-ctrl-w} $additional_flags} -filter %{perl -pe \"if (/${kak_opt_fzf_window_map:-ctrl-w}|${kak_opt_fzf_vertical_map:-ctrl-v}|${kak_opt_fzf_horizontal_map:-ctrl-s}|^$/) {} else {print \\\"$(git rev-parse --show-toplevel)/\\\"}\"}"
 }}
 
 §
diff --git a/rc/modules/VCS/fzf-hg.kak b/rc/modules/VCS/fzf-hg.kak
index 9ce5e9c..8dcdbb7 100644
--- a/rc/modules/VCS/fzf-hg.kak
+++ b/rc/modules/VCS/fzf-hg.kak
@@ -24,8 +24,8 @@ define-command -hidden fzf-hg %{ evaluate-commands %sh{
         (hg)  cmd="hg locate -f" ;;
         (hg*) cmd=$kak_opt_fzf_hg_command ;;
     esac
-    [ ! -z "${kak_client_env_TMUX}" ] && additional_flags="--expect $kak_opt_fzf_vertical_map --expect $kak_opt_fzf_horizontal_map"
-    printf "%s\n" "fzf -kak-cmd %{edit -existing} -items-cmd %{$cmd} -fzf-args %{-m --expect $kak_opt_fzf_window_map $additional_flags}"
+    [ ! -z "${kak_client_env_TMUX}" ] && additional_flags="--expect ${kak_opt_fzf_vertical_map:-ctrl-v} --expect ${kak_opt_fzf_horizontal_map:-ctrl-s}"
+    printf "%s\n" "fzf -kak-cmd %{edit -existing} -items-cmd %{$cmd} -fzf-args %{-m --expect ${kak_opt_fzf_window_map:-ctrl-w} $additional_flags}"
 }}
 
 §
diff --git a/rc/modules/VCS/fzf-svn.kak b/rc/modules/VCS/fzf-svn.kak
index 01812a1..9fb42da 100644
--- a/rc/modules/VCS/fzf-svn.kak
+++ b/rc/modules/VCS/fzf-svn.kak
@@ -25,8 +25,8 @@ define-command -hidden fzf-svn %{ evaluate-commands %sh{
         (svn)  cmd="svn list -R $repo_root | grep -v '$/'" ;;
         (svn*) cmd=$kak_opt_fzf_svn_command ;;
     esac
-    [ ! -z "${kak_client_env_TMUX}" ] && additional_flags="--expect $kak_opt_fzf_vertical_map --expect $kak_opt_fzf_horizontal_map"
-    printf "%s\n" "fzf -kak-cmd %{cd $repo_root; edit -existing} -items-cmd %{$cmd} -fzf-args %{-m --expect $kak_opt_fzf_window_map $additional_flags} -post-action %{cd $current_path}"
+    [ ! -z "${kak_client_env_TMUX}" ] && additional_flags="--expect ${kak_opt_fzf_vertical_map:-ctrl-v} --expect ${kak_opt_fzf_horizontal_map:-ctrl-s}"
+    printf "%s\n" "fzf -kak-cmd %{cd $repo_root; edit -existing} -items-cmd %{$cmd} -fzf-args %{-m --expect ${kak_opt_fzf_window_map:-ctrl-w} $additional_flags} -post-action %{cd $current_path}"
 }}
 
 §
diff --git a/rc/modules/fzf-buffer.kak b/rc/modules/fzf-buffer.kak
index b318c01..f42ebbc 100644
--- a/rc/modules/fzf-buffer.kak
+++ b/rc/modules/fzf-buffer.kak
@@ -20,14 +20,14 @@ $buffers"
 
     message="Set buffer to edit in current client.
 <ret>: switch to selected buffer.
-${kak_opt_fzf_window_map:?}: open buffer in new window"
+${kak_opt_fzf_window_map:-ctrl-w}: open buffer in new window"
     [ -n "${kak_client_env_TMUX:-}" ] && tmux_keybindings="
-${kak_opt_fzf_horizontal_map:-}: open buffer in horizontal split
-${kak_opt_fzf_vertical_map:-}: open buffer in vertical split"
+${kak_opt_fzf_horizontal_map:-ctrl-s}: open buffer in horizontal split
+${kak_opt_fzf_vertical_map:-ctrl-v}: open buffer in vertical split"
     printf "%s\n" "info -title 'fzf buffer' '$message$tmux_keybindings'"
-    [ -n "${kak_client_env_TMUX:-}" ] && additional_flags="--expect $kak_opt_fzf_vertical_map --expect $kak_opt_fzf_horizontal_map"
+    [ -n "${kak_client_env_TMUX:-}" ] && additional_flags="--expect ${kak_opt_fzf_vertical_map:-ctrl-v} --expect ${kak_opt_fzf_horizontal_map:-ctrl-s}"
 
-    printf "%s\n" "fzf -kak-cmd %{buffer} -items-cmd %{printf \"%s\n\" \"$buffers\"} -fzf-args %{--expect $kak_opt_fzf_window_map $additional_flags}"
+    printf "%s\n" "fzf -kak-cmd %{buffer} -items-cmd %{printf \"%s\n\" \"$buffers\"} -fzf-args %{--expect ${kak_opt_fzf_window_map:-ctrl-w} $additional_flags}"
 }}
 
 define-command -hidden fzf-delete-buffer %{ evaluate-commands %sh{
@@ -42,7 +42,7 @@ $buffers"
     message="Delete buffer.
 <ret>: delete selected buffer."
     printf "%s\n" "info -title 'fzf delete-buffer' '$message'"
-    printf "%s\n" "fzf -kak-cmd %{delete-buffer} -multiple-cmd %{delete-buffer} -items-cmd %{printf \"%s\n\" \"$buffers\"} -fzf-args %{-m --expect ${kak_opt_fzf_window_map:?} ${additional_flags:-}}"
+    printf "%s\n" "fzf -kak-cmd %{delete-buffer} -multiple-cmd %{delete-buffer} -items-cmd %{printf \"%s\n\" \"$buffers\"} -fzf-args %{-m --expect ${kak_opt_fzf_window_map:-ctrl-w} ${additional_flags:-}}"
 }}
 
 §
diff --git a/rc/modules/fzf-ctags.kak b/rc/modules/fzf-ctags.kak
index af5f062..0ddb5c2 100644
--- a/rc/modules/fzf-ctags.kak
+++ b/rc/modules/fzf-ctags.kak
@@ -928,17 +928,17 @@ define-command -hidden fzf-tag -params ..2 %{ evaluate-commands %sh{
 
     message="Jump to a symbol''s definition
 <ret>: open tag in new buffer
-${kak_opt_fzf_window_map:?}: open tag in new terminal"
+${kak_opt_fzf_window_map:-ctrl-w}: open tag in new terminal"
 
     [ -n "${kak_client_env_TMUX:?}" ] && tmux_keybindings="
-${kak_opt_fzf_horizontal_map:-}: open tag in horizontal split
-${kak_opt_fzf_vertical_map:-}: open tag in vertical split"
+${kak_opt_fzf_horizontal_map:-ctrl-s}: open tag in horizontal split
+${kak_opt_fzf_vertical_map:-ctrl-v}: open tag in vertical split"
 
     printf "%s\n" "info -title 'fzf tag' '$message$tmux_keybindings'"
 
-    [ -n "${kak_client_env_TMUX}" ] && additional_flags="--expect $kak_opt_fzf_vertical_map --expect $kak_opt_fzf_horizontal_map"
+    [ -n "${kak_client_env_TMUX}" ] && additional_flags="--expect ${kak_opt_fzf_vertical_map:-ctrl-v} --expect ${kak_opt_fzf_horizontal_map:-ctrl-s}"
     printf "%s\n" "set-option -add window ctagsfiles %{$path/$kak_opt_fzf_tag_file_name}"
-    printf "%s\n" "fzf -kak-cmd %{ctags-search} -items-cmd %{$cmd | awk '!a[\$0]++'} -fzf-args %{--expect $kak_opt_fzf_window_map $additional_flags}"
+    printf "%s\n" "fzf -kak-cmd %{ctags-search} -items-cmd %{$cmd | awk '!a[\$0]++'} -fzf-args %{--expect ${kak_opt_fzf_window_map:-ctrl-w} $additional_flags}"
 }}
 
 §
diff --git a/rc/modules/fzf-file.kak b/rc/modules/fzf-file.kak
index a1449e9..6b51a9c 100644
--- a/rc/modules/fzf-file.kak
+++ b/rc/modules/fzf-file.kak
@@ -50,15 +50,15 @@ define-command -hidden fzf-file %{ evaluate-commands %sh{
     cmd="$cmd 2>/dev/null"
     message="Open single or multiple files.
 <ret>: open file in new buffer.
-${kak_opt_fzf_window_map:?}: open file in new terminal"
+${kak_opt_fzf_window_map:-ctrl-w}: open file in new terminal"
     [ -n "${kak_client_env_TMUX:-}" ] && tmux_keybindings="
-${kak_opt_fzf_horizontal_map:-}: open file in horizontal split
-${kak_opt_fzf_vertical_map:-}: open file in vertical split"
+${kak_opt_fzf_horizontal_map:-ctrl-s}: open file in horizontal split
+${kak_opt_fzf_vertical_map:-ctrl-v}: open file in vertical split"
 
     printf "%s\n" "info -title 'fzf file' '$message$tmux_keybindings'"
-    [ -n "${kak_client_env_TMUX}" ] && additional_flags="--expect $kak_opt_fzf_vertical_map --expect $kak_opt_fzf_horizontal_map"
+    [ -n "${kak_client_env_TMUX}" ] && additional_flags="--expect ${kak_opt_fzf_vertical_map:-ctrl-v} --expect ${kak_opt_fzf_horizontal_map:-ctrl-s}"
     [ "${kak_opt_fzf_file_preview:-}" = "true" ] && preview_flag="-preview"
-    printf "%s\n" "fzf $preview_flag -kak-cmd %{edit -existing} -items-cmd %{$cmd} -fzf-args %{-m --expect $kak_opt_fzf_window_map $additional_flags}"
+    printf "%s\n" "fzf $preview_flag -kak-cmd %{edit -existing} -items-cmd %{$cmd} -fzf-args %{-m --expect ${kak_opt_fzf_window_map:-ctrl-w} $additional_flags}"
 }}
 
 §
diff --git a/rc/modules/fzf-grep.kak b/rc/modules/fzf-grep.kak
index e3a2de2..3f23704 100644
--- a/rc/modules/fzf-grep.kak
+++ b/rc/modules/fzf-grep.kak
@@ -35,14 +35,14 @@ define-command -hidden fzf-grep %{ evaluate-commands %sh{
     title="fzf grep"
     message="grep through contents of all files recursively.
 <ret>: open search result in new buffer.
-${kak_opt_fzf_window_map:?}: open search result in new terminal"
+${kak_opt_fzf_window_map:-ctrl-w}: open search result in new terminal"
     [ -n "${kak_client_env_TMUX:-}" ] && tmux_keybindings="
-${kak_opt_fzf_horizontal_map:-}: open search result in horizontal split
-${kak_opt_fzf_vertical_map:-}: open search result in vertical split"
+${kak_opt_fzf_horizontal_map:-ctrl-s}: open search result in horizontal split
+${kak_opt_fzf_vertical_map:-ctrl-v}: open search result in vertical split"
 
     printf "%s\n" "info -title '${title}' '${message}${tmux_keybindings}'"
-    [ -n "${kak_client_env_TMUX}" ] && additional_flags="--expect $kak_opt_fzf_vertical_map --expect $kak_opt_fzf_horizontal_map"
-    printf "%s\n" "fzf -kak-cmd %{evaluate-commands} -fzf-args %{--expect $kak_opt_fzf_window_map $additional_flags  --delimiter=':' -n'3..'} -items-cmd %{$cmd} -filter %{sed -E 's/([^:]+):([^:]+):.*/edit -existing \1; execute-keys \2gvc/'}"
+    [ -n "${kak_client_env_TMUX}" ] && additional_flags="--expect ${kak_opt_fzf_vertical_map:-ctrl-v} --expect ${kak_opt_fzf_horizontal_map:-ctrl-s}"
+    printf "%s\n" "fzf -kak-cmd %{evaluate-commands} -fzf-args %{--expect ${kak_opt_fzf_window_map:-ctrl-w} $additional_flags  --delimiter=':' -n'3..'} -items-cmd %{$cmd} -filter %{sed -E 's/([^:]+):([^:]+):.*/edit -existing \1; execute-keys \2gvc/'}"
 }}
 
 §
diff --git a/rc/modules/fzf-vcs.kak b/rc/modules/fzf-vcs.kak
index 21a5085..e3e323f 100644
--- a/rc/modules/fzf-vcs.kak
+++ b/rc/modules/fzf-vcs.kak
@@ -39,11 +39,11 @@ bzr status"
             vcs=$(printf "%s\n" "$cmd" | awk '{print $1}')
             title="fzf $vcs"
             [ -n "${kak_client_env_TMUX:-}" ] && additional_keybindings="
-${kak_opt_fzf_horizontal_map:-}: open file in horizontal split
-${kak_opt_fzf_vertical_map:-}: open file in vertical split"
+${kak_opt_fzf_horizontal_map:-ctrl-s}: open file in horizontal split
+${kak_opt_fzf_vertical_map:-ctrl-v}: open file in vertical split"
             message="Open single or multiple files from git tree.
 <ret>: open file in new buffer.
-${kak_opt_fzf_window_map:?}: open file in new terminal $additional_keybindings"
+${kak_opt_fzf_window_map:-ctrl-w}: open file in new terminal $additional_keybindings"
             printf "%s\n" "info -title %{$title} %{$message}"
             printf "%s\n" "fzf-$vcs"
             exit
diff --git a/rc/modules/sk-grep.kak b/rc/modules/sk-grep.kak
index 3e541ab..1105d97 100644
--- a/rc/modules/sk-grep.kak
+++ b/rc/modules/sk-grep.kak
@@ -29,14 +29,14 @@ define-command -hidden fzf-sk-grep %{ evaluate-commands %sh{
     title="skim interactive grep"
     message="Interactively grep pattern from current directory
 <ret>: open search result in new buffer.
-${kak_opt_fzf_window_map:?}: open search result in new terminal"
+${kak_opt_fzf_window_map:-ctrl-w}: open search result in new terminal"
     [ -n "${kak_client_env_TMUX:-}" ] && tmux_keybindings="
-${kak_opt_fzf_horizontal_map:-}: open search result in horizontal split
-${kak_opt_fzf_vertical_map:-}: open search result in vertical split"
+${kak_opt_fzf_horizontal_map:-ctrl-s}: open search result in horizontal split
+${kak_opt_fzf_vertical_map:-ctrl-v}: open search result in vertical split"
 
     printf "%s\n" "info -title '${title}' '${message}${tmux_keybindings}'"
-    [ -n "${kak_client_env_TMUX}" ] && additional_flags="--expect $kak_opt_fzf_vertical_map --expect $kak_opt_fzf_horizontal_map"
-    printf "%s\n" "fzf -kak-cmd %{fzf-sk-grep-handler} -fzf-impl %{sk --ansi -m -i -c '${kak_opt_fzf_sk_grep_command:-} {}'} -fzf-args %{--expect $kak_opt_fzf_window_map $additional_flags} -multiple-cmd %{fzf-sk-populate-grep} -post-action %{buffer %opt{fzf_sk_first_file}}"
+    [ -n "${kak_client_env_TMUX}" ] && additional_flags="--expect ${kak_opt_fzf_vertical_map:-ctrl-v} --expect ${kak_opt_fzf_horizontal_map:-ctrl-s}"
+    printf "%s\n" "fzf -kak-cmd %{fzf-sk-grep-handler} -fzf-impl %{sk --ansi -m -i -c '${kak_opt_fzf_sk_grep_command:-} {}'} -fzf-args %{--expect ${kak_opt_fzf_window_map:-ctrl-w} $additional_flags} -multiple-cmd %{fzf-sk-populate-grep} -post-action %{buffer %opt{fzf_sk_first_file}}"
 }}
 
 define-command -hidden fzf-sk-grep-handler -params 1 %{