diff --git a/pandora_server/lib/PandoraFMS/DataServer.pm b/pandora_server/lib/PandoraFMS/DataServer.pm
index f8e38ad99f..83e07bbbb2 100644
--- a/pandora_server/lib/PandoraFMS/DataServer.pm
+++ b/pandora_server/lib/PandoraFMS/DataServer.pm
@@ -645,7 +645,10 @@ sub process_module_data ($$$$$$$$$) {
 		
 		# The group name has to be translated to a group ID
 		if (defined $module_conf->{'module_group'}) {
-			$module_conf->{'id_module_group'} = get_module_group_id ($dbh, $module_conf->{'module_group'});
+			my $id_group_module = get_module_group_id ($dbh, $module_conf->{'module_group'});
+			if ( $id_group_module >= 0) {
+				$module_conf->{'id_module_group'} = $id_group_module;
+			}
 			delete $module_conf->{'module_group'};
 		}