diff --git a/public/language/en-US/error.json b/public/language/en-US/error.json
index f12e15c94f..ab96f8f8bc 100644
--- a/public/language/en-US/error.json
+++ b/public/language/en-US/error.json
@@ -31,7 +31,7 @@
     "invalid-path": "Invalid path",
     "folder-exists": "Folder exists",
     "invalid-pagination-value": "Invalid pagination value, must be at least %1 and at most %2",
-    "username-taken": "Username taken",
+    "username-taken": "Username taken. Maybe try %1",
     "email-taken": "Email address is already taken.",
     "email-nochange": "The email entered is the same as the email already on file.",
     "email-invited": "Email was already invited",
diff --git a/public/src/client/register.js b/public/src/client/register.js
index d8144d26d5..c8fa048b3b 100644
--- a/public/src/client/register.js
+++ b/public/src/client/register.js
@@ -135,8 +135,8 @@ define('forum/register', [
 				if (results.every(obj => obj.status === 'rejected')) {
 					showSuccess(usernameInput, username_notify, successIcon);
 				} else {
-					showError(usernameInput, username_notify, '[[error:username-taken]]');
-				}
+					showError(usernameInput, username_notify, '[[error:username-taken' + username + 'suffix]]');
+				}// ". Maybe try 'test123suffix'"
 
 				callback();
 			});