diff --git a/pandora_console/godmode/snmpconsole/snmp_alert.php b/pandora_console/godmode/snmpconsole/snmp_alert.php
index 674e266f62..671bb310de 100755
--- a/pandora_console/godmode/snmpconsole/snmp_alert.php
+++ b/pandora_console/godmode/snmpconsole/snmp_alert.php
@@ -1513,7 +1513,7 @@ $(document).ready (function () {
                         $('#table_macros-field' + i)
                             .removeAttr('class');
 
-                        $("[name=field" + i + "_value]").val(old_value);
+                        $("[name=field" + i + "_value]").val(old_value).trigger('change');
                         $('#table_macros-field').show();
                     }
                 }