diff --git a/packages/esm-service-queues-app/src/queue-table/queue-entry-actions/queue-entry-actions.modal.tsx b/packages/esm-service-queues-app/src/queue-table/queue-entry-actions/queue-entry-actions.modal.tsx
index 1aab929f3..da7b71132 100644
--- a/packages/esm-service-queues-app/src/queue-table/queue-entry-actions/queue-entry-actions.modal.tsx
+++ b/packages/esm-service-queues-app/src/queue-table/queue-entry-actions/queue-entry-actions.modal.tsx
@@ -180,7 +180,7 @@ export const QueueEntryActionModal: React.FC<QueueEntryActionModalProps> = ({
     return startAtDate > now;
   }, [formState.transitionDate, formState.transitionTime, formState.transitionTimeFormat]);
 
-  const selectedPriorityIndex = priorities.findIndex((p) => p.uuid == formState.selectedPriority);
+  const selectedPriorityIndex = priorities?.findIndex((p) => p.uuid == formState.selectedPriority);
 
   return (
     <>