diff --git a/js/background.js b/js/background.js
index 6a800039b..806f0a09f 100644
--- a/js/background.js
+++ b/js/background.js
@@ -1156,6 +1156,11 @@
         const conversationExists = ConversationController.get(conversationId);
         if (conversationExists) {
           window.log.warn('We are already a member of this public chat');
+          window.pushToast({
+            description: window.i18n('publicChatExists'),
+            type: 'info',
+            id: 'alreadyMemberPublicChat',
+          });
           return;
         }