diff --git a/apps/hyperv/2012/local/mode/nodesnapshot.pm b/apps/hyperv/2012/local/mode/nodesnapshot.pm
index c1e37834e..0e8bfab17 100644
--- a/apps/hyperv/2012/local/mode/nodesnapshot.pm
+++ b/apps/hyperv/2012/local/mode/nodesnapshot.pm
@@ -151,6 +151,7 @@ sub manage_selection {
         my $checkpoint = { backing => -1, snapshot => -1 };
         my $checkpoints = (ref($node->{checkpoints}) eq 'ARRAY') ? $node->{checkpoints} : [ $node->{checkpoints} ];
         foreach my $chkpt (@$checkpoints) {
+            next if (!defined($chkpt));
             $chkpt->{creation_time} =~ s/,/\./g;
             $checkpoint->{ $chkpt->{type} } = $chkpt->{creation_time} if ($chkpt->{creation_time} > 0 && ($checkpoint->{ $chkpt->{type} } == -1 || $checkpoint->{ $chkpt->{type} } > $chkpt->{creation_time}));
         }
@@ -158,20 +159,20 @@ sub manage_selection {
 
         if (defined($self->{option_results}->{filter_vm}) && $self->{option_results}->{filter_vm} ne '' &&
             $node->{name} !~ /$self->{option_results}->{filter_vm}/i) {
-            $self->{output}->output_add(long_msg => "skipping  '" . $node->{name} . "': no matching filter.", debug => 1);
+            $self->{output}->output_add(long_msg => "skipping '" . $node->{name} . "': no matching filter.", debug => 1);
             next;
         }
-         if (defined($self->{option_results}->{filter_note}) && $self->{option_results}->{filter_note} ne '' &&
+        if (defined($self->{option_results}->{filter_note}) && $self->{option_results}->{filter_note} ne '' &&
              defined($node->{note}) && $node->{note} !~ /$self->{option_results}->{filter_note}/i) {
-            $self->{output}->output_add(long_msg => "skipping  '" . $node->{name} . "': no matching filter.", debug => 1);
+            $self->{output}->output_add(long_msg => "skipping '" . $node->{name} . "': no matching filter.", debug => 1);
             next;
         }
         if (defined($self->{option_results}->{filter_status}) && $self->{option_results}->{filter_status} ne '' &&
             $node_vm_state->{ $node->{state} } !~ /$self->{option_results}->{filter_status}/i) {
-            $self->{output}->output_add(long_msg => "skipping  '" . $node->{name} . "': no matching filter.", debug => 1);
+            $self->{output}->output_add(long_msg => "skipping '" . $node->{name} . "': no matching filter.", debug => 1);
             next;
         }
-        
+
         $self->{vm}->{$id} = {
             display => $node->{name},
             snapshot => $checkpoint->{snapshot} > 0 ? $time - $checkpoint->{snapshot} : undef,
diff --git a/centreon/common/powershell/hyperv/2012/nodeintegrationservice.pm b/centreon/common/powershell/hyperv/2012/nodeintegrationservice.pm
index f4425c328..cf4e30743 100644
--- a/centreon/common/powershell/hyperv/2012/nodeintegrationservice.pm
+++ b/centreon/common/powershell/hyperv/2012/nodeintegrationservice.pm
@@ -53,18 +53,18 @@ Try {
         $item.name = $vm.VMName
         $item.state = $vm.State.value__
         $item.integration_services_state = $vm.IntegrationServicesState
-        $item.integration_services_version = $vm.IntegrationServicesVersion
+        $item.integration_services_version = $vm.IntegrationServicesVersion.toString()
         $item.note = $note
-        
-        $services = New-Object System.Collections.Generic.List[Hashtable];
-        Foreach ($service in $VM.VMIntegrationService) {
-            $service = @{}
 
-            $service.name = $service.Name
-            $service.enabled = $service.Enabled
-            $service.primary_operational_status = $service.PrimaryOperationalStatus.value__
-            $service.secondary_operational_status = $service.SecondaryOperationalStatus.value__
-            $services.Add($service)
+        $services = New-Object System.Collections.Generic.List[Hashtable];
+        Foreach ($service in $vm.VMIntegrationService) {
+            $item_service = @{}
+
+            $item_service.service = $service.Name
+            $item_service.enabled = $service.Enabled
+            $item_service.primary_operational_status = $service.PrimaryOperationalStatus.value__
+            $item_service.secondary_operational_status = $service.SecondaryOperationalStatus.value__
+            $services.Add($item_service)
         }
 
         $item.services = $services