diff --git a/app/controllers/projects/merge_requests_controller.rb b/app/controllers/projects/merge_requests_controller.rb
index 7ef0a858a2..51509ecda3 100644
--- a/app/controllers/projects/merge_requests_controller.rb
+++ b/app/controllers/projects/merge_requests_controller.rb
@@ -166,7 +166,7 @@ class Projects::MergeRequestsController < Projects::ApplicationController
   end
 
   def ci_status
-    status = project.gitlab_ci_service.commit_status(merge_request.last_commit.sha)
+    status = @merge_request.source_project.gitlab_ci_service.commit_status(merge_request.last_commit.sha)
     response = {status: status}
 
     render json: response