diff --git a/client/web/src/components/ChatBox/ChatInputBox/ChatDropArea.tsx b/client/web/src/components/ChatBox/ChatInputBox/ChatDropArea.tsx
index 7fad1e55..6ec6d771 100644
--- a/client/web/src/components/ChatBox/ChatInputBox/ChatDropArea.tsx
+++ b/client/web/src/components/ChatBox/ChatInputBox/ChatDropArea.tsx
@@ -40,7 +40,7 @@ export const ChatDropArea: React.FC = React.memo(() => {
   });
 
   if (!collectedProps.canDrop) {
-    return;
+    return null;
   }
 
   return (