diff --git a/public/language/en-GB/error.json b/public/language/en-GB/error.json
index ec51a88ead..0725edf579 100644
--- a/public/language/en-GB/error.json
+++ b/public/language/en-GB/error.json
@@ -35,8 +35,7 @@
 	"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",
 	"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 f989901e7b..ca915cbb61 100644
--- a/public/src/client/register.js
+++ b/public/src/client/register.js
@@ -121,6 +121,7 @@ define('forum/register', [
 		username_notify.text('');
 		const usernameInput = $('#username');
 		const userslug = slugify(username);
+
 		if (username.length < ajaxify.data.minimumUsernameLength || userslug.length < ajaxify.data.minimumUsernameLength) {
 			showError(usernameInput, username_notify, '[[error:username-too-short]]');
 		} else if (username.length > ajaxify.data.maximumUsernameLength) {
@@ -135,14 +136,18 @@ define('forum/register', [
 				if (results.every(obj => obj.status === 'rejected')) {
 					showSuccess(usernameInput, username_notify, successIcon);
 				} else {
-					showError(usernameInput, username_notify, '[[error:username-taken]]');
+					const currentUsername = username + 'suffix';
+					showError(usernameInput, username_notify, `[[error:username-taken]]. Try "${currentUsername}" instead.`);
 				}
-
 				callback();
 			});
 		}
 	}
 
+		
+	
+
+
 	function validatePassword(password, password_confirm) {
 		const passwordInput = $('#password');
 		const password_notify = $('#password-notify');