diff --git a/pandora_console/ChangeLog b/pandora_console/ChangeLog
index 0561938365..0128c67961 100644
--- a/pandora_console/ChangeLog
+++ b/pandora_console/ChangeLog
@@ -1,3 +1,8 @@
+2011-07-28  Ramon Novoa  <rnovoa@artica.es>
+
+	* operation/events/events_list.php: Changed the event pagination query
+	  (was too slow).
+
 2011-07-28  Sergio Martin <sergio.martin@artica.es>
 
 	* include/config_process.php
diff --git a/pandora_console/operation/events/events_list.php b/pandora_console/operation/events/events_list.php
index 4dc91e60bd..3ba11123d0 100644
--- a/pandora_console/operation/events/events_list.php
+++ b/pandora_console/operation/events/events_list.php
@@ -335,13 +335,12 @@ if ($group_rep == 0) {
 	$sql = "SELECT COUNT(id_evento) FROM tevento WHERE 1=1 ".$sql_post;
 }
 else {
-	$sql = "SELECT COUNT(*) FROM tevento WHERE id_evento IN (SELECT id_evento FROM tevento
-		WHERE 1=1 $sql_post GROUP BY evento, id_agentmodule)";
+	$sql = "SELECT COUNT(1) FROM (SELECT 1 FROM tevento
+		WHERE 1=1 $sql_post GROUP BY evento, id_agentmodule) AS t";
 }
 
 //Count the events with this filter (TODO but not utimestamp).
 $total_events = (int) db_get_sql ($sql);
-
 if (empty ($result)) {
 	$result = array ();
 }