diff --git a/app/models/site/repository.rb b/app/models/site/repository.rb
index 58baa5dd..687ced12 100644
--- a/app/models/site/repository.rb
+++ b/app/models/site/repository.rb
@@ -237,8 +237,8 @@ class Site
     end
 
     def lfs_cleanup
-      site.repository.git_sh("git", "lfs", "prune")
-      site.repository.git_sh("git", "lfs", "dedup")
+      git_sh("git", "lfs", "prune")
+      git_sh("git", "lfs", "dedup")
     end
   end
 end