diff --git a/src/framework/piral-core/src/tools/codegen.ts b/src/framework/piral-core/src/tools/codegen.ts
index 2ce738b86..067162aa3 100644
--- a/src/framework/piral-core/src/tools/codegen.ts
+++ b/src/framework/piral-core/src/tools/codegen.ts
@@ -239,7 +239,7 @@ export function createRouteHandler(imports: Array<string>, exports: Array<string
   `);
 
   if (emulator) {
-    imports.push(`import { useDebugRouteFilter } from 'piral-debug-utils.js';`);
+    imports.push(`import { useDebugRouteFilter } from 'piral-debug-utils';`);
     assignments.push('return useDebugRouteFilter(paths);');
   } else {
     assignments.push('return paths;');