1 files changed, 1 insertions, 1 deletions
diff --git a/lib/api/group_milestones.rb b/lib/api/group_milestones.rb
index b85eb59dc0a..93fa0b95857 100644
--- a/lib/api/group_milestones.rb
+++ b/lib/api/group_milestones.rb
@@ -10,7 +10,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a group'
     end
-    resource :groups, requirements: { id: %r{[^/]+} } do
+    resource :groups, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
       desc 'Get a list of group milestones' do
         success Entities::Milestone
       end