diff --git a/frontend/components/screen/panels/FileComponentConfigPanel.tsx b/frontend/components/screen/panels/FileComponentConfigPanel.tsx
index 8db01ad0..f14c861f 100644
--- a/frontend/components/screen/panels/FileComponentConfigPanel.tsx
+++ b/frontend/components/screen/panels/FileComponentConfigPanel.tsx
@@ -12,7 +12,7 @@ import { Plus, X, Upload, File, Image, FileText, Download, Trash2 } from "lucide
 import { Button } from "@/components/ui/button";
 import { FileInfo, FileUploadResponse } from "@/lib/registry/components/file-upload/types";
 import { uploadFiles, downloadFile, deleteFile } from "@/lib/api/file";
-import { formatFileSize } from "@/lib/utils";
+import { formatFileSize, cn } from "@/lib/utils";
 import { toast } from "sonner";
 
 interface FileComponentConfigPanelProps {