diff --git a/centreon-plugins/apps/hyperv/2012/local/mode/nodesnapshot.pm b/centreon-plugins/apps/hyperv/2012/local/mode/nodesnapshot.pm
index b4c5aef4d..b2e6366c8 100644
--- a/centreon-plugins/apps/hyperv/2012/local/mode/nodesnapshot.pm
+++ b/centreon-plugins/apps/hyperv/2012/local/mode/nodesnapshot.pm
@@ -118,7 +118,9 @@ sub manage_selection {
         my ($name, $status, $note, $content) = ($1, $2, $3, $4);
         my %chkpt = (backing => -1, snapshot => -1);
         while ($content =~ /\[checkpointCreationTime=\s*(.*?)\s*\]\[type=\s*(.*?)\s*\]/msig) {
-            $chkpt{$2} = $1 if ($chkpt{$2} == -1 || $chkpt{$2} > $1);
+            my ($timestamp, $type) = ($1, $2);
+            $timestamp =~ s/,/\./g;
+            $chkpt{$type} = $timestamp if ($chkpt{$type} == -1 || $chkpt{$type} > $timestamp);
         }
         next if ($chkpt{backing} == -1 && $chkpt{snapshot} == -1);
 
@@ -204,4 +206,4 @@ Can be: 'snapshot' (in seconds), 'backing' (in seconds).
 
 =back
 
-=cut
\ No newline at end of file
+=cut