diff --git a/src/components/dev-tools/dev-tools.ts b/src/components/dev-tools/dev-tools.ts
index 86dc9ea..2964b84 100644
--- a/src/components/dev-tools/dev-tools.ts
+++ b/src/components/dev-tools/dev-tools.ts
@@ -137,9 +137,8 @@ export class EdgeAppDevToolsElement extends HTMLElement {
   }
 
   private isDevelopmentMode(): boolean {
-    const meta = import.meta as { env?: { DEV?: boolean } }
     return (
-      meta.env?.DEV ||
+      import.meta.env?.DEV ||
       window.location.hostname === 'localhost' ||
       window.location.hostname === '127.0.0.1' ||
       window.location.search.includes('dev=true')
diff --git a/vite.config.ts b/vite.config.ts
index 1844786..85643ba 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -64,6 +64,9 @@ export default defineConfig({
           return 'assets/[name]-[hash][extname]'
         },
       },
+      transform: {
+        define: { 'import.meta': '{}' },
+      },
     },
   },
   plugins: [tailwindcss(), screenlyDevServer(), copyScreenlyFiles()],