diff --git a/src/handler/GenerateProjectHandler.ts b/src/handler/GenerateProjectHandler.ts
index bbb32a8..e6eb4d0 100644
--- a/src/handler/GenerateProjectHandler.ts
+++ b/src/handler/GenerateProjectHandler.ts
@@ -98,7 +98,7 @@ export class GenerateProjectHandler extends BaseHandler {
         ];
 
         const targetUrl = new URL(this.metadata.serviceUrl);
-        targetUrl.pathname = "/starter.zip";
+        targetUrl.pathname += "/starter.zip";
         targetUrl.search = `?${params.join("&")}`;
         return targetUrl.toString();
     }