diff --git a/app/models/site/repository.rb b/app/models/site/repository.rb
index 62e4c45e..d149b732 100644
--- a/app/models/site/repository.rb
+++ b/app/models/site/repository.rb
@@ -158,10 +158,8 @@ class Site
       cmd = 'git gc'
 
       r = nil
-      Dir.chdir(path) do
-        Open3.popen2e(env, cmd, unsetenv_others: true) do |_, _, t|
-          r = t.value
-        end
+      Open3.popen2e(env, cmd, unsetenv_others: true, chdir: path) do |_, _, t|
+        r = t.value
       end
 
       r&.success?