diff --git a/.config/river/init b/.config/river/init
index 3c14467..b2c80a7 100755
--- a/.config/river/init
+++ b/.config/river/init
@@ -31,6 +31,7 @@ riverctl float-filter-add title "Firefox — Sharing Indicator"
 
 riverctl csd-filter-add app-id firefox
 riverctl csd-filter-add app-id gnome-calendar
+riverctl csd-filter-add app-id org.pwmt.zathura
 
 ~/.config/river/keys