diff --git a/pandora_console/ChangeLog b/pandora_console/ChangeLog
index 3c3fdac33f..78b1809e46 100644
--- a/pandora_console/ChangeLog
+++ b/pandora_console/ChangeLog
@@ -1,3 +1,8 @@
+2011-03-16  Sancho Lerena <slerena@artica.es>
+
+	* operation/agentes/estado_monitores.php: Fixed an ugly error when cannot
+	get the policy name. Show unknown in that case, avoiding the SQL error.
+	
 2011-03-14 Miguel de Dios  <miguel.dedios@artica.es>
 
 	* godmode/reporting/reporting_builder.preview.php: fixed a typing error.
diff --git a/pandora_console/operation/agentes/estado_monitores.php b/pandora_console/operation/agentes/estado_monitores.php
index 430c9b6c5e..fd3db53597 100644
--- a/pandora_console/operation/agentes/estado_monitores.php
+++ b/pandora_console/operation/agentes/estado_monitores.php
@@ -205,7 +205,12 @@ foreach ($modules as $module) {
 		if ($module["id_policy_module"] != 0) {
 			$linked = isModuleLinked($module['id_agente_modulo']);
 			$id_policy = get_db_value_sql('SELECT id_policy FROM tpolicy_modules WHERE id = '.$module["id_policy_module"]);
-			$name_policy = get_db_value_sql('SELECT name FROM tpolicies WHERE id = '.$id_policy);
+
+            if ($id_policy != "")
+                $name_policy = get_db_value_sql('SELECT name FROM tpolicies WHERE id = '.$id_policy);
+            else
+                $name_policy = __("Unknown");
+
 			$policyInfo = infoModulePolicy($module["id_policy_module"]);
 			
 			$adopt = false;