diff --git a/pandora_console/ChangeLog b/pandora_console/ChangeLog
index 35756c9280..4dc1afa31a 100644
--- a/pandora_console/ChangeLog
+++ b/pandora_console/ChangeLog
@@ -1,3 +1,9 @@
+2009-12-1 Miguel de Dios  <miguel.dedios@artica.es>
+
+	* include/functions_alerts.php: fix the select box of correlation alerts,
+	now it has the XOR operation.
+	Fixes: 2849260
+
 2009-12-1 Miguel de Dios  <miguel.dedios@artica.es>
 
 	* extensions/module_groups.php: fix the style of page, adjust the with of
diff --git a/pandora_console/include/functions_alerts.php b/pandora_console/include/functions_alerts.php
index 116491aaf7..001fdd72dc 100644
--- a/pandora_console/include/functions_alerts.php
+++ b/pandora_console/include/functions_alerts.php
@@ -632,6 +632,7 @@ function get_alert_compound_operations () {
 
 	$operations['OR'] = 'OR';
 	$operations['AND'] = 'AND';
+	$operations['XOR'] = 'XOR';
 	$operations['NOR'] = 'NOR';
 	$operations['NAND'] = 'NAND';
 	$operations['NXOR'] = 'NXOR';