diff --git a/install/lib/installer_base.lib.php b/install/lib/installer_base.lib.php
index ecd1323c72f5ecee69ac72eae910f57c41867add..eec752c50bb88b54c0e2aa00e1d09e8ea959663c 100644
--- a/install/lib/installer_base.lib.php
+++ b/install/lib/installer_base.lib.php
@@ -730,7 +730,7 @@ class installer_base {
   		}
 		
 		if(!stristr($tcp_public_services, $conf['apache']['vhost_port'])) {
-			$tcp_public_services .= ' '.intval($conf['apache']['vhost_port']));
+			$tcp_public_services .= ' '.intval($conf['apache']['vhost_port']);
 			if($row["tcp_port"]) != '') $this->db->query("UPDATE firewall SET tcp_port = tcp_port + ',".intval($conf['apache']['vhost_port'])."' WHERE server_id = ".intval($conf['server_id']));
 		}