diff --git a/frontend/src/components/tree-editor/TreeCanvasNode.tsx b/frontend/src/components/tree-editor/TreeCanvasNode.tsx
index 22f029f7..66f83233 100644
--- a/frontend/src/components/tree-editor/TreeCanvasNode.tsx
+++ b/frontend/src/components/tree-editor/TreeCanvasNode.tsx
@@ -132,7 +132,9 @@ export function TreeCanvasNode({
     onToggleExpand()
   }
 
-  const config = NODE_TYPE_CONFIG[node.type]
+  const config = node.type in NODE_TYPE_CONFIG
+    ? NODE_TYPE_CONFIG[node.type as keyof typeof NODE_TYPE_CONFIG]
+    : NODE_TYPE_CONFIG.decision  // fallback for 'answer' (rendered by AnswerStubCard)
   const TypeIcon = config.icon
 
   const getTitle = () => {