diff --git a/pandora_console/include/functions_events.php b/pandora_console/include/functions_events.php
index 5fdd8463b8..665bfdd39d 100644
--- a/pandora_console/include/functions_events.php
+++ b/pandora_console/include/functions_events.php
@@ -800,7 +800,7 @@ function events_get_all(
         }
     }
 
-    if (isset($filter['severity']) === true && $filter['severity'] !== '') {
+    if (isset($filter['severity']) === true && $filter['severity'] !== '' && (int) $filter['severity'] > -1) {
         if (is_array($filter['severity']) === true) {
             if (in_array(-1, $filter['severity']) === false) {
                 $not_normal = array_search(EVENT_CRIT_NOT_NORMAL, $filter['severity']);
diff --git a/pandora_console/include/lib/Dashboard/Widgets/alerts_fired.php b/pandora_console/include/lib/Dashboard/Widgets/alerts_fired.php
index c4c92458cd..68107388b4 100755
--- a/pandora_console/include/lib/Dashboard/Widgets/alerts_fired.php
+++ b/pandora_console/include/lib/Dashboard/Widgets/alerts_fired.php
@@ -170,7 +170,7 @@ class AlertsFiredWidget extends Widget
         $this->configurationRequired = false;
         if (isset($this->values['groupId']) === false) {
             $this->configurationRequired = true;
-        } else {
+        } else if ($this->values['groupId'] !== '0') {
             $check_exist = \db_get_value(
                 'id_grupo',
                 'tgrupo',