diff --git a/src/utils/pdfUtils.ts b/src/utils/pdfUtils.ts
index eae6b21..b21e82e 100644
--- a/src/utils/pdfUtils.ts
+++ b/src/utils/pdfUtils.ts
@@ -68,3 +68,4 @@ export function isPDFExtension(ext: string): boolean {
   const normalized = ext.startsWith('.') ? ext.slice(1) : ext
   return DOCUMENT_EXTENSIONS.has(normalized.toLowerCase())
 }
+