diff --git a/packages/nocodb/src/lib/meta/api/attachmentApis.ts b/packages/nocodb/src/lib/meta/api/attachmentApis.ts
index e6a13a70ee..df6738763c 100644
--- a/packages/nocodb/src/lib/meta/api/attachmentApis.ts
+++ b/packages/nocodb/src/lib/meta/api/attachmentApis.ts
@@ -52,7 +52,7 @@ export async function upload(req: Request, res: Response) {
 
   const attachments = await Promise.all(
     (req as any).files?.map(async (file) => {
-      const fileName = `${nanoid(6)}_${file.originalname}`;
+      const fileName = `${nanoid(18)}${path.extname(file.originalname)}`;
 
       let url = await storageAdapter.fileCreate(
         slash(path.join(destPath, fileName)),