diff --git a/src/core/blitzkrieg/isDev.ts b/src/core/blitzkrieg/isDev.ts
index 1bac9f22d..af6549e85 100644
--- a/src/core/blitzkrieg/isDev.ts
+++ b/src/core/blitzkrieg/isDev.ts
@@ -1,6 +1,6 @@
 export default function isDev() {
   return (
     process.env.NODE_ENV === 'development' ||
-    location?.host.startsWith('blitzkrieg-git')
+    window?.location.host.startsWith('blitzkrieg-git')
   );
 }