diff --git a/frontend/src/hooks/tools/merge/useMergeOperation.ts b/frontend/src/hooks/tools/merge/useMergeOperation.ts
index 3dba39b71..bf103359e 100644
--- a/frontend/src/hooks/tools/merge/useMergeOperation.ts
+++ b/frontend/src/hooks/tools/merge/useMergeOperation.ts
@@ -17,7 +17,8 @@ const buildFormData = (parameters: MergeParameters, files: File[]): FormData =>
 };
 
 const mergeResponseHandler: ResponseHandler = (blob: Blob, originalFiles: File[]): File[] => {
-  return [new File([blob], 'merged.pdf', { type: 'application/pdf' })];
+  const filename = `merged_${originalFiles[0].name}`
+  return [new File([blob], filename, { type: 'application/pdf' })];
 };
 
 export const useMergeOperation = () => {