diff --git a/js/client-chat-tournament.js b/js/client-chat-tournament.js
index 012ed3f6f..99ff5eb49 100644
--- a/js/client-chat-tournament.js
+++ b/js/client-chat-tournament.js
@@ -485,6 +485,10 @@
 								appendError("You must have a name in order to join the tournament.");
 								break;
 
+							case 'Full':
+								appendError("The tournament is already at maximum capacity for users.");
+								break;
+
 							default:
 								appendError("Unknown error: " + data[0]);
 								break;