diff --git a/packages/app-builder/vite.config.ts b/packages/app-builder/vite.config.ts
index 6906a0e39..f5c437d24 100644
--- a/packages/app-builder/vite.config.ts
+++ b/packages/app-builder/vite.config.ts
@@ -26,6 +26,8 @@ if (!isVitest) {
         ],
         routeBoundaryGradient: 'gotham',
         showBreakpointIndicator: false,
+        requireUrlFlag: true,
+        urlFlag: 'devTools',
       },
     }),
     remix({