diff --git a/lib/functions/validate/function.validateUrl.php b/lib/functions/validate/function.validateUrl.php
index 0c4be8bf..07ce29ac 100644
--- a/lib/functions/validate/function.validateUrl.php
+++ b/lib/functions/validate/function.validateUrl.php
@@ -58,7 +58,10 @@ function validateUrl($url) {
 
 		$ip = substr($ip, 0, strpos($ip, '/'));
 		// possible : in IP (when a port is given), #1173
-		$ip = substr($ip, 0, strpos($ip, ':'));
+		// but only if there actually IS ONE
+		if (strpos($ip, ':') !== false) {
+			$ip = substr($ip, 0, strpos($ip, ':'));
+		}
 
 		if (validate_ip($ip, true) !== false) {
 			return true;
diff --git a/scripts/jobs/cron_tasks.inc.dns.10.bind.php b/scripts/jobs/cron_tasks.inc.dns.10.bind.php
index 5d715483..45d719ca 100644
--- a/scripts/jobs/cron_tasks.inc.dns.10.bind.php
+++ b/scripts/jobs/cron_tasks.inc.dns.10.bind.php
@@ -137,7 +137,7 @@ class bind
 					}
 				}
 				// close allow-transfer
-				$bindconf_file.= '};' . "\n";
+				$bindconf_file.= '	};' . "\n";
 			}
 
 			$bindconf_file.= '};' . "\n";