diff --git a/app/models/site/repository.rb b/app/models/site/repository.rb
index 6306730e..a900fea2 100644
--- a/app/models/site/repository.rb
+++ b/app/models/site/repository.rb
@@ -162,7 +162,7 @@ class Site
     # @return [Boolean, nil]
     def push
       origin.push(rugged.head.canonical_name, credentials: credentials)
-      git_sh("git", "lfs", "push", "origin", "#{default_branch}")
+      git_sh("git", "lfs", "push", "origin", "default_branch")
     end
 
     private
@@ -199,7 +199,7 @@ class Site
       env = { 'PATH' => '/usr/bin', 'LANG' => ENV['LANG'], 'HOME' => path }
 
       r = nil
-      Open3.popen2e(env, args, unsetenv_others: true, chdir: path) do |_, _, t|
+      Open3.popen2e(env, *args, unsetenv_others: true, chdir: path) do |_, _, t|
         r = t.value
       end