diff --git a/lib/cyberman/Helper.pm b/lib/cyberman/Helper.pm
index c4f1e23..17e9f51 100644
--- a/lib/cyberman/Helper.pm
+++ b/lib/cyberman/Helper.pm
@@ -65,7 +65,7 @@ sub hash_password {
 
 sub check_name {
 	my $name = shift;
-	if ($name =~ m/^[a-z0-9]([a-z0-9\-_]*[a-z0-9])?$/) {
+	if ($name =~ m/^[a-z0-9]([a-z0-9\-_]*[a-z0-9])?$/ && length($name) <= 63) {
 		return 1;
 	} else {
 		return 0;