diff --git a/packages/frontend/editor-ui/src/components/canvas/elements/handles/CanvasHandleRenderer.vue b/packages/frontend/editor-ui/src/components/canvas/elements/handles/CanvasHandleRenderer.vue
index 047d4e770a..ca90c977d3 100644
--- a/packages/frontend/editor-ui/src/components/canvas/elements/handles/CanvasHandleRenderer.vue
+++ b/packages/frontend/editor-ui/src/components/canvas/elements/handles/CanvasHandleRenderer.vue
@@ -76,7 +76,7 @@ const { runDataOutputMap } = useCanvasNode();
 
 const runData = computed(() =>
 	props.mode === CanvasConnectionMode.Output
-		? runDataOutputMap.value[props.type]?.[props.index]
+		? runDataOutputMap.value?.[props.type]?.[props.index]
 		: undefined,
 );
 
diff --git a/packages/frontend/editor-ui/src/types/canvas.ts b/packages/frontend/editor-ui/src/types/canvas.ts
index 37d05f7bdd..1e278cb864 100644
--- a/packages/frontend/editor-ui/src/types/canvas.ts
+++ b/packages/frontend/editor-ui/src/types/canvas.ts
@@ -125,7 +125,7 @@ export interface CanvasNodeData {
 		waitingForNext?: boolean;
 	};
 	runData: {
-		outputMap: ExecutionOutputMap;
+		outputMap?: ExecutionOutputMap;
 		iterations: number;
 		visible: boolean;
 	};