diff --git a/cli/plasmo/src/features/background-service-worker/bgsw-messaging.ts b/cli/plasmo/src/features/background-service-worker/bgsw-messaging.ts
index 51df68cce..a44b4c07b 100644
--- a/cli/plasmo/src/features/background-service-worker/bgsw-messaging.ts
+++ b/cli/plasmo/src/features/background-service-worker/bgsw-messaging.ts
@@ -30,7 +30,7 @@ globalThis.__plasmoInternalPortMap = new Map()
 ${importSection}
 
 chrome.runtime.onMessageExternal.addListener((request, sender, sendResponse) => {
-  switch (request.name) {
+  switch (request?.name) {
     ${externalMessageSection}
     default:
       break