diff --git a/pandora_console/ChangeLog b/pandora_console/ChangeLog
index e057884c1a..7e511e98b6 100644
--- a/pandora_console/ChangeLog
+++ b/pandora_console/ChangeLog
@@ -1,3 +1,8 @@
+2011-03-07 Miguel de Dios  <miguel.dedios@artica.es>
+
+	* include/functions_reporting.php: added the SQL query with correct
+	date operations for PostgreSQL.
+
 2011-03-07 Miguel de Dios  <miguel.dedios@artica.es>
 
 	* include/functions_db.php, godmode/admin_access_logs.php: changes for the
diff --git a/pandora_console/include/functions_reporting.php b/pandora_console/include/functions_reporting.php
index 4a0562a815..938662befe 100644
--- a/pandora_console/include/functions_reporting.php
+++ b/pandora_console/include/functions_reporting.php
@@ -586,9 +586,18 @@ function get_group_stats ($id_group = 0) {
 		foreach ($id_group as $group){
 
 
-			$data["agents_unknown"] += get_db_sql ("SELECT COUNT(*)
-				FROM tagente
-				WHERE id_grupo = $group AND disabled = 0 AND ultimo_contacto < NOW() - (intervalo * 2)");
+			switch ($config["dbtype"]) {
+				case "mysql":
+					$data["agents_unknown"] += get_db_sql ("SELECT COUNT(*)
+						FROM tagente
+						WHERE id_grupo = $group AND disabled = 0 AND ultimo_contacto < NOW() - (intervalo * 2)");
+					break;
+				case "postgresql":
+					$data["agents_unknown"] += get_db_sql ("SELECT COUNT(*)
+						FROM tagente
+						WHERE id_grupo = $group AND disabled = 0 AND ceil(date_part('epoch', ultimo_contacto)) < ceil(date_part('epoch', NOW())) - (intervalo * 2)");
+					break;
+			}
 
 			$data["total_agents"] += get_db_sql ("SELECT COUNT(*)
 					FROM tagente WHERE id_grupo = $group AND disabled = 0");