diff --git a/src/background/notification.background.ts b/src/background/notification.background.ts
index 49ab35e3cb2..c58f2426904 100644
--- a/src/background/notification.background.ts
+++ b/src/background/notification.background.ts
@@ -35,7 +35,7 @@ export default class NotificationBackground {
     }
 
     async init() {
-        if (!chrome.runtime) {
+        if (chrome.runtime == null) {
             return;
         }