diff --git a/lib/NGCP/Panel/Role/API/HeaderRuleActions.pm b/lib/NGCP/Panel/Role/API/HeaderRuleActions.pm
index c317fbe914..24f5e076d2 100644
--- a/lib/NGCP/Panel/Role/API/HeaderRuleActions.pm
+++ b/lib/NGCP/Panel/Role/API/HeaderRuleActions.pm
@@ -79,12 +79,12 @@ sub check_resource {
     my ($self, $c, $item, $old_resource, $resource, $form, $process_extras) = @_;
     my $schema = $c->model('DB');
 
-    unless (defined $resource->{rule_id}) {
+    unless ($resource->{rule_id}) {
         $self->error($c, HTTP_UNPROCESSABLE_ENTITY, "Required: 'rule_id'");
         return;
     }
 
-    if (!defined $resource->{rwr_set_id} && (defined $resource->{rwr_dp} || defined $resource->{rwr_dp_id})) {
+    if (!$resource->{rwr_set_id} && (defined $resource->{rwr_dp} || defined $resource->{rwr_dp_id})) {
         $self->error($c, HTTP_UNPROCESSABLE_ENTITY, "Missing 'rwr_set_id' (when rwr_dp is set).");
         return;
     }
diff --git a/lib/NGCP/Panel/Role/API/HeaderRuleConditions.pm b/lib/NGCP/Panel/Role/API/HeaderRuleConditions.pm
index 0436bd4132..52180c7bfd 100644
--- a/lib/NGCP/Panel/Role/API/HeaderRuleConditions.pm
+++ b/lib/NGCP/Panel/Role/API/HeaderRuleConditions.pm
@@ -99,12 +99,12 @@ sub check_resource {
     my ($self, $c, $item, $old_resource, $resource, $form, $process_extras) = @_;
     my $schema = $c->model('DB');
 
-    unless (defined $resource->{rule_id}) {
+    unless ($resource->{rule_id}) {
         $self->error($c, HTTP_UNPROCESSABLE_ENTITY, "Required: 'rule_id'");
         return;
     }
 
-    if (!defined $resource->{rwr_set_id} && (defined $resource->{rwr_dp} || defined $resource->{rwr_dp_id})) {
+    if (!$resource->{rwr_set_id} && (defined $resource->{rwr_dp} || defined $resource->{rwr_dp_id})) {
         $self->error($c, HTTP_UNPROCESSABLE_ENTITY, "Missing 'rwr_set_id' (when rwr_dp is set).");
         return;
     }
@@ -124,6 +124,7 @@ sub check_resource {
         $self->error($c, HTTP_UNPROCESSABLE_ENTITY, "Invalid 'rule_id'.");
         return;
     }
+
     return 1 unless $resource->{rwr_set_id};
 
     my $rwr_set = $schema->resultset('voip_rewrite_rule_sets')->find({