diff --git a/web/app/components/workflow/nodes/question-classifier/components/class-list.tsx b/web/app/components/workflow/nodes/question-classifier/components/class-list.tsx
index 4dc0ff759e..f152917ed4 100644
--- a/web/app/components/workflow/nodes/question-classifier/components/class-list.tsx
+++ b/web/app/components/workflow/nodes/question-classifier/components/class-list.tsx
@@ -63,7 +63,7 @@ const ClassList: FC<Props> = ({
           return (
             <Item
               nodeId={nodeId}
-              key={index}
+              key={list[index].id}
               payload={item}
               onChange={handleClassChange(index)}
               onRemove={handleRemoveClass(index)}