diff --git a/app/views/projects/merge_requests/show/_pipelines.html.haml b/app/views/projects/merge_requests/show/_pipelines.html.haml
index 6c243c866c8..de4aa255bbd 100644
--- a/app/views/projects/merge_requests/show/_pipelines.html.haml
+++ b/app/views/projects/merge_requests/show/_pipelines.html.haml
@@ -1,3 +1,3 @@
-- endpoint_path = local_assigns[:endpoint] || pipelines_namespace_project_merge_request_path(@project.namespace, @project, @merge_request)
+- endpoint_path = local_assigns[:endpoint] || pipelines_namespace_project_merge_request_path(@project.namespace, @project, @merge_request, format: :json)
 
 = render 'projects/commit/pipelines_list', endpoint: endpoint_path