diff --git a/app/models/repository/git.rb b/app/models/repository/git.rb
index 54bceba72..bd160b3e5 100644
--- a/app/models/repository/git.rb
+++ b/app/models/repository/git.rb
@@ -247,9 +247,7 @@ class Repository::Git < Repository
 
     v = extra_info["extra_report_last_commit"]
     write_attribute(:extra_info, nil)
-    h = {}
-    h["extra_report_last_commit"] = v
-    merge_extra_info(h)
+    merge_extra_info({"extra_report_last_commit" => v})
     save(:validate => false)
   end
   private :clear_extra_info_of_changesets