diff --git a/backend/app/Element/UseCases/GetElementPdf/GetElementPdf.php b/backend/app/Element/UseCases/GetElementPdf/GetElementPdf.php
index e210c61..cfce117 100644
--- a/backend/app/Element/UseCases/GetElementPdf/GetElementPdf.php
+++ b/backend/app/Element/UseCases/GetElementPdf/GetElementPdf.php
@@ -31,11 +31,11 @@ class GetElementPdf
         }
 
         if (!$this->isAllowedPdfFolder($request->folder)) {
-            throw new NotFoundException('PDF not found');
+            throw new BadRequestException('folder is invalid');
         }
 
         if (!$this->isValidPdfFileName($request->fileName)) {
-            throw new NotFoundException('PDF not found');
+            throw new BadRequestException('fileName is invalid');
         }
 
         $path = "element-pdfs/$request->folder/$request->fileName";