diff --git a/pandora_console/include/javascript/pandora.js b/pandora_console/include/javascript/pandora.js
index 0e545e9f4e..5b96a8fcd6 100644
--- a/pandora_console/include/javascript/pandora.js
+++ b/pandora_console/include/javascript/pandora.js
@@ -134,7 +134,8 @@ function agent_changed_by_multiple_agents(event, id_agent, selected) {
       $("input.module_types_excluded").each(function(index, el) {
         var module_type = parseInt($(el).val());
 
-        if (module_type !== NaN) module_types_excluded.push(module_type);
+        if (isNaN(module_type) == false)
+          module_types_excluded.push(module_type);
       });
     } catch (error) {}
   }
diff --git a/pandora_console/operation/agentes/ver_agente.php b/pandora_console/operation/agentes/ver_agente.php
index 1f47f75d17..2293a6044a 100644
--- a/pandora_console/operation/agentes/ver_agente.php
+++ b/pandora_console/operation/agentes/ver_agente.php
@@ -91,7 +91,7 @@ if (is_ajax()) {
 
     if ($get_agents_group_json) {
         $id_group = (int) get_parameter('id_group');
-        $recursion = (get_parameter_switch('recursion', 'false') === 'true');
+        $recursion = filter_var(get_parameter_switch('recursion', 'false'), FILTER_VALIDATE_BOOLEAN);
         $id_os = get_parameter('id_os', '');
         $agent_name = get_parameter('name', '');
 
@@ -801,7 +801,7 @@ if (is_ajax()) {
                 }
             } else {
                 $sql = sprintf(
-                    'SELECT DISTINCT t1.nombre, t1.id_agente_modulo FROM tagente_modulo t1
+                    'SELECT t1.nombre, t1.id_agente_modulo FROM tagente_modulo t1
 					INNER JOIN tagente_estado t2 ON t1.id_agente_modulo = t2.id_agente_modulo
 					%s WHERE %s AND t1.delete_pending = 0
 					AND t1.id_agente IN ('.implode(',', $idAgents).')