diff --git a/src/Deblan/PowerDNS/Command/ZoneAssignCommand.php b/src/Deblan/PowerDNS/Command/ZoneAssignCommand.php
index 2602546..254f751 100644
--- a/src/Deblan/PowerDNS/Command/ZoneAssignCommand.php
+++ b/src/Deblan/PowerDNS/Command/ZoneAssignCommand.php
@@ -21,7 +21,7 @@ class ZoneAssignCommand extends AbstractCommand
             ->setName('zone:assign')
             ->setDescription('Add a domain')
             ->addArgument('zone_id', InputArgument::REQUIRED, 'ZONE_ID')
-            ->addArgument('domain_id', InputArgument::REQUIRED, 'ZONE_ID')
+            ->addArgument('domain_id', InputArgument::REQUIRED, 'DOMAIN_ID')
             ->setHelp("The <info>%command.name%</info> ");
     }
 
@@ -33,7 +33,7 @@ class ZoneAssignCommand extends AbstractCommand
         $zone = ZoneQuery::create()->findOneById($zoneId);
         $domain = DomainQuery::create()->findOneById((int) $this->getInput()->getArgument('domain_id'));
 
-        if ($null === $zone) {
+        if (null === $zone) {
             $this->getOutput()->writeln('<error>Zone not found.</error>');
 
             return;
diff --git a/src/Deblan/PowerDNS/Command/ZoneVersionAddCommand.php b/src/Deblan/PowerDNS/Command/ZoneVersionAddCommand.php
index 8e5e427..deae310 100644
--- a/src/Deblan/PowerDNS/Command/ZoneVersionAddCommand.php
+++ b/src/Deblan/PowerDNS/Command/ZoneVersionAddCommand.php
@@ -40,8 +40,8 @@ class ZoneVersionAddCommand extends AbstractCommand
         }
 
         $zoneVersion = (new ZoneVersion())
-            ->setZone($zone)
             ->setVersion($zone->countZoneVersions() ? ZoneVersionQuery::create()->orderByVersion(Criteria::DESC)->findOne()->getVersion() + 1 : 1)
+            ->setZone($zone)
             ->setIsActive(false)
             ->save();