1 files changed, 6 insertions, 2 deletions
diff --git a/lib/api/entities.rb b/lib/api/entities.rb
index 2fe5280bc1c..cef5a0abe12 100644
--- a/lib/api/entities.rb
+++ b/lib/api/entities.rb
@@ -446,8 +446,12 @@ module API
     class Namespace < Grape::Entity
       expose :id, :name, :path, :kind, :full_path, :parent_id
 
-      expose :members_count do |namespace, _|
-        namespace.users_with_descendants.count if namespace.kind == 'group'
+      expose :members_count_with_descendants, if: -> (namespace, opts) { expose_members_count_with_descendants?(namespace, opts) } do |namespace, _|
+        namespace.users_with_descendants.count
+      end
+
+      def expose_members_count_with_descendants?(namespace, opts)
+        namespace.kind == 'group' && Ability.allowed?(opts[:current_user], :admin_group, namespace)
       end
     end