diff --git a/src/contentScripts/communityConsole/autoRefresh.js b/src/contentScripts/communityConsole/autoRefresh.js
index 38e83f3..edf463c 100644
--- a/src/contentScripts/communityConsole/autoRefresh.js
+++ b/src/contentScripts/communityConsole/autoRefresh.js
@@ -140,7 +140,7 @@
   }
 
   hideUpdatePrompt() {
-    this.snackbar.classList.add('TWPT-hidden');
+    if (this.snackbar) this.snackbar.classList.add('TWPT-hidden');
     document.title = document.title.replace('[!!!] ', '');
     this.isUpdatePromptShown = false;
   }