diff --git a/packages/next/client/components/react-dev-overlay/hot-reloader.tsx b/packages/next/client/components/react-dev-overlay/hot-reloader.tsx
index 654dc10785991..e7e90806662e8 100644
--- a/packages/next/client/components/react-dev-overlay/hot-reloader.tsx
+++ b/packages/next/client/components/react-dev-overlay/hot-reloader.tsx
@@ -446,12 +446,15 @@ export default function HotReload({
 
   const handleOnUnhandledError = useCallback((ev) => {
     if (
-      ev?.error?.digest.startsWith('NEXT_REDIRECT') ||
-      ev?.error?.digest === 'NEXT_NOT_FOUND'
+      ev.error &&
+      ev.error.digest &&
+      (ev.error.digest.startsWith('NEXT_REDIRECT') ||
+        ev.error.digest === 'NEXT_NOT_FOUND')
     ) {
       ev.preventDefault()
       return
     }
+
     hadRuntimeError = true
     onUnhandledError(dispatch, ev)
   }, [])