diff --git a/pandora_console/ChangeLog b/pandora_console/ChangeLog
index 6204ab541e..6cb27c67c8 100644
--- a/pandora_console/ChangeLog
+++ b/pandora_console/ChangeLog
@@ -1,3 +1,8 @@
+2010-02-22  Miguel de Dios  <miguel.dedios@artica.es>
+
+	* include/functions_alerts.php: fix when try delete only the alerts from
+	alert policies form. 
+
 2010-02-22  Miguel de Dios  <miguel.dedios@artica.es>
 
 	* images/groups_small/*.ok.png, images/groups_small/*.default.png,
diff --git a/pandora_console/include/functions_alerts.php b/pandora_console/include/functions_alerts.php
index 5f5d836857..ce89d3994d 100644
--- a/pandora_console/include/functions_alerts.php
+++ b/pandora_console/include/functions_alerts.php
@@ -410,13 +410,15 @@ function delete_alert_agent_module ($id_alert_agent_module, $filter = false) {
 	if ($id_alert_agent_module)
 		$filter['id'] = $id_alert_agent_module;
 	
-	$idAlertCompunds =  get_db_all_rows_sql('SELECT id_alert_compound
-		FROM talert_compound_elements
-		WHERE id_alert_template_module = ' . $id_alert_agent_module);
-	
-	if ($idAlertCompunds !== false) {
-		foreach($idAlertCompunds as $id)
-			delete_alert_compound($id);
+	if ($id_alert_agent_module !== false) {
+		$idAlertCompunds =  get_db_all_rows_sql('SELECT id_alert_compound
+			FROM talert_compound_elements
+			WHERE id_alert_template_module = ' . $id_alert_agent_module);
+		
+		if ($idAlertCompunds !== false) {
+			foreach($idAlertCompunds as $id)
+				delete_alert_compound($id);
+		}
 	}
 	
 	return (@process_sql_delete ('talert_template_modules',