diff --git a/program/lib/Roundcube/cache/memcached.php b/program/lib/Roundcube/cache/memcached.php
index dee598362..6f154d4d6 100644
--- a/program/lib/Roundcube/cache/memcached.php
+++ b/program/lib/Roundcube/cache/memcached.php
@@ -107,7 +107,7 @@ class rcube_cache_memcached extends rcube_cache
                     if (!$port) $port = 11211;
                 }
                 else {
-                    $host = substr($host, 8);
+                    $host = substr($host, 7);
                     $port = 0;
                 }