1 files changed, 17 insertions, 0 deletions
diff --git a/app/graphql/mutations/user_preferences/update.rb b/app/graphql/mutations/user_preferences/update.rb
index c92c6d725b7..eface536a87 100644
--- a/app/graphql/mutations/user_preferences/update.rb
+++ b/app/graphql/mutations/user_preferences/update.rb
@@ -14,6 +14,15 @@ module Mutations
             null: true,
             description: 'User preferences after mutation.'
 
+      def ready?(**args)
+        if disabled_sort_value?(args)
+          raise Gitlab::Graphql::Errors::ArgumentError,
+                'Feature flag `incident_escalations` must be enabled to use this sort order.'
+        end
+
+        super
+      end
+
       def resolve(**attributes)
         user_preferences = current_user.user_preference
         user_preferences.update(attributes)
@@ -23,6 +32,14 @@ module Mutations
           errors: errors_on_object(user_preferences)
         }
       end
+
+      private
+
+      def disabled_sort_value?(args)
+        return false unless [:escalation_status_asc, :escalation_status_desc].include?(args[:issues_sort])
+
+        Feature.disabled?(:incident_escalations, default_enabled: :yaml)
+      end
     end
   end
 end