diff --git a/inc/functions.php b/inc/functions.php
index 4746b034..6a34e7a8 100755
--- a/inc/functions.php
+++ b/inc/functions.php
@@ -2374,7 +2374,7 @@ function generate_tripcode($name) {
 		if (isset($config['custom_tripcode']["##{$trip}"]))
 			$trip = $config['custom_tripcode']["##{$trip}"];
 		else
-			$trip = '!!' . substr(crypt($trip, '_..A.' . substr(base64_encode(sha1($trip . $config['secure_trip_salt'], true)), 0, 4)), -10);
+			$trip = '!!' . substr(crypt($trip, str_replace('+', '.', '_..A.' . substr(base64_encode(sha1($trip . $config['secure_trip_salt'], true)), 0, 4))), -10);
 	} else {
 		if (isset($config['custom_tripcode']["#{$trip}"]))
 			$trip = $config['custom_tripcode']["#{$trip}"];