diff --git a/packages/client/src/render/getAppId.js b/packages/client/src/render/getAppId.js
index 7da86a802d..8356f7b25c 100644
--- a/packages/client/src/render/getAppId.js
+++ b/packages/client/src/render/getAppId.js
@@ -1,4 +1,4 @@
 export const getAppIdFromPath = () => {
   let appId = location.pathname.split("/")[1]
-  return appId.startsWith("app_") ? appId : undefined
+  return appId && appId.startsWith("app_") ? appId : undefined
 }