diff --git a/js/models/messages.js b/js/models/messages.js
index ceb35ec52..f97d6f478 100644
--- a/js/models/messages.js
+++ b/js/models/messages.js
@@ -56,7 +56,7 @@
                 return messages.join(' ');
             }
             if (this.isEndSession()) {
-                return 'Secure session ended.';
+                return i18n('sessionEnded');
             }
             if (this.isIncoming() && this.hasKeyConflicts()) {
                 return 'Received message with unknown identity key.';
diff --git a/test/models/messages_test.js b/test/models/messages_test.js
index c95ee9068..4bf1cbb3a 100644
--- a/test/models/messages_test.js
+++ b/test/models/messages_test.js
@@ -174,7 +174,7 @@
             assert.equal(message.getDescription(), 'Updated the group. Title is now \'blerg\'. Bob joined the group.', 'Notes when there are multiple changes to group_updates properties.');
 
             message = messages.add({flags: true});
-            assert.equal(message.getDescription(), 'Secure session ended.');
+            assert.equal(message.getDescription(), i18n('sessionEnded'));
 
             message = messages.add({type: 'incoming', errors: [{name: 'OutgoingIdentityKeyError'}]});
             assert.equal(message.getDescription(), 'Received message with unknown identity key.');