diff --git a/lib/gitlab_access.rb b/lib/gitlab_access.rb
index 5816969181e192afff54ea218b6650b05dcd0150..03171900930e2aa20a067e9c2cc9f0f0b5df5ac1 100644
--- a/lib/gitlab_access.rb
+++ b/lib/gitlab_access.rb
@@ -17,9 +17,16 @@ class GitlabAccess
     @actor = actor
     @repo_name = extract_repo_name(@repo_path.dup, config.repos_path.to_s)
     @changes = changes.lines
+    @merging = ENV['GL_MERGING'] == 'true'
+
+    ENV['GL_MERGING'] = nil
   end
 
   def exec
+    if @merging
+      return true
+    end
+
     status = api.check_access('git-receive-pack', @repo_name, @actor, @changes)
 
     raise AccessDeniedError, status.message unless status.allowed?