diff --git a/src/mibew/js/source/chat/models/chat_user.js b/src/mibew/js/source/chat/models/chat_user.js
index ca3f5589..4c26b75c 100644
--- a/src/mibew/js/source/chat/models/chat_user.js
+++ b/src/mibew/js/source/chat/models/chat_user.js
@@ -57,7 +57,7 @@
                     * Not applicable for agents.
                     * @type Boolean
                     */
-                    dafaultName: true
+                    defaultName: true
                 }
             )
         }