diff --git a/src/pages/flowEditor/nodeEditors/components/WaitEditor.tsx b/src/pages/flowEditor/nodeEditors/components/WaitEditor.tsx
index 2634afa..91ba70d 100644
--- a/src/pages/flowEditor/nodeEditors/components/WaitEditor.tsx
+++ b/src/pages/flowEditor/nodeEditors/components/WaitEditor.tsx
@@ -25,7 +25,7 @@ const WaitEditor: React.FC<NodeEditorProps> = ({ nodeData, updateNodeData }) =>
   });
 
   useEffect(() => {
-    if (nodeData.component.customDef) {
+    if (nodeData?.component?.customDef) {
       const duration = JSON.parse(nodeData.component.customDef).duration;
       setDuration({
         hour: Math.floor(duration / 3600),