diff --git a/system/routes.php b/system/routes.php
index 13cee37f..c804ec8c 100644
--- a/system/routes.php
+++ b/system/routes.php
@@ -22,7 +22,7 @@ return [
 	['GET', 'account/confirm-email/{hash:alphanum}', 'account/confirm-email.php'],
 
 	['GET', 'bans/{page:int}', 'bans.php'],
-	[['GET', 'POST'], 'characters[/{name:string}]', 'characters.php'],
+	[['GET', 'POST'], 'characters[/{name:[A-Za-z0-9-_%+\' \[\]]+}]', 'characters.php'],
 	['GET', 'changelog[/{page:int}]', 'changelog.php'],
 	[['GET', 'POST'], 'monsters[/{name:string}]', 'monsters.php'],