diff --git a/src/components/room/message/MessageInput.tsx b/src/components/room/message/MessageInput.tsx
index dd2e595..748aa7e 100644
--- a/src/components/room/message/MessageInput.tsx
+++ b/src/components/room/message/MessageInput.tsx
@@ -166,7 +166,7 @@ export const MessageInput = forwardRef<MessageInputHandle, MessageInputProps>(fu
         const formData = new FormData();
         formData.append('file', file);
         const baseUrl = import.meta.env.VITE_API_BASE_URL ?? window.location.origin;
-        const res = await fetch(`${baseUrl}/rooms/${activeRoomId}/upload`, {method: 'POST', body: formData});
+        const res = await fetch(`${baseUrl}/api/rooms/${activeRoomId}/upload`, {method: 'POST', body: formData, credentials: 'include'});
         if (!res.ok) throw new Error('Upload failed');
         return res.json();
     };