diff --git a/lib/NGCP/Panel/Role/API/Subscribers.pm b/lib/NGCP/Panel/Role/API/Subscribers.pm
index ddb1cc86b5..823e3beb9b 100644
--- a/lib/NGCP/Panel/Role/API/Subscribers.pm
+++ b/lib/NGCP/Panel/Role/API/Subscribers.pm
@@ -489,7 +489,7 @@ sub update_item {
         NGCP::Panel::Utils::Subscriber::update_subscriber_numbers(
             c => $c,
             schema => $schema,
-            exists $resource->{e164} ? (primary_number => $resource->{e164}) : (),
+            primary_number => $resource->{e164},
             alias_numbers => $alias_numbers,
             reseller_id => $customer->contact->reseller_id,
             subscriber_id => $subscriber->id,
diff --git a/lib/NGCP/Panel/Utils/Subscriber.pm b/lib/NGCP/Panel/Utils/Subscriber.pm
index c055e7a068..21f2fbbb39 100644
--- a/lib/NGCP/Panel/Utils/Subscriber.pm
+++ b/lib/NGCP/Panel/Utils/Subscriber.pm
@@ -288,9 +288,7 @@ sub prepare_resource {
 
         $resource->{administrative} = $item ? $item->provisioning_voip_subscriber->admin : 0;
     }
-    if (exists $resource->{primary_number}) {
-        $resource->{e164} = delete $resource->{primary_number};
-    }
+    $resource->{e164} = delete $resource->{primary_number};
     $resource->{status} //= 'active';
     $resource->{administrative} //= 0;
     $resource->{is_pbx_pilot} //= 0;
@@ -1545,7 +1543,7 @@ sub update_subscriber_numbers {
                 $alias->{e164}->{is_devid} = delete $alias->{is_devid};
             }
 
-            if (defined $current_primary_number && $current_primary_number == $cli) {
+            if ($current_primary_number == $cli) {
                 die "alias '" . $c->qs($cli) . "' is already defined as the primary number";
             }