empty is not isset ...

diff --git a/src/Core/System.php b/src/Core/System.php
index 058aca130dfc78b4a1bdf7d1878cf44bd868f198..2fcbee14f5eb543076c0bb0727c8bb8316c44e86 100644 (file)
--- a/src/Core/System.php
+++ b/src/Core/System.php
@@ -186,7 +186,7 @@ EOT;
        {
                if (is_bool($prefix) && !$prefix) {
                        $prefix = '';
-               } elseif (!isset($prefix)) {
+               } elseif (!empty($prefix)) {
                        $prefix = hash('crc32', self::getApp()->get_hostname());
                }