Fix group milestone path on issuable sidebar

1 files changed, 13 insertions, 1 deletions

diff --git a/app/helpers/gitlab_routing_helper.rb b/app/helpers/gitlab_routing_helper.rb
index 0517a699ae0..1f7db9b2eb8 100644
--- a/app/helpers/gitlab_routing_helper.rb
+++ b/app/helpers/gitlab_routing_helper.rb
@@ -48,7 +48,11 @@ module GitlabRoutingHelper
   end
 
   def milestone_path(entity, *args)
-    project_milestone_path(entity.project, entity, *args)
+    if entity.is_group_milestone?
+      group_milestone_path(entity.group, entity, *args)
+    elsif entity.is_project_milestone?
+      project_milestone_path(entity.project, entity, *args)
+    end
   end
 
   def issue_url(entity, *args)
@@ -63,6 +67,14 @@ module GitlabRoutingHelper
     project_pipeline_url(pipeline.project, pipeline.id, *args)
   end
 
+  def milestone_url(entity, *args)
+    if entity.is_group_milestone?
+      group_milestone_url(entity.group, entity, *args)
+    elsif entity.is_project_milestone?
+      project_milestone_url(entity.project, entity, *args)
+    end
+  end
+
   def pipeline_job_url(pipeline, build, *args)
     project_job_url(pipeline.project, build.id, *args)
   end