diff --git a/plugins/scaffolder-backend/src/scaffolder/stages/prepare/file.ts b/plugins/scaffolder-backend/src/scaffolder/stages/prepare/file.ts
index 9eb380be13..728a67a588 100644
--- a/plugins/scaffolder-backend/src/scaffolder/stages/prepare/file.ts
+++ b/plugins/scaffolder-backend/src/scaffolder/stages/prepare/file.ts
@@ -21,7 +21,7 @@ import { PreparerBase, PreparerOptions } from './types';
 
 export class FilePreparer implements PreparerBase {
   async prepare({ url, workspacePath }: PreparerOptions) {
-    if (!url.startsWith('file:///')) {
+    if (!url.startsWith('file://')) {
       throw new InputError(`Wrong location protocol, should be 'file', ${url}`);
     }