diff --git a/pandora_console/godmode/groups/group_list.php b/pandora_console/godmode/groups/group_list.php
index 5239583b72..c22b1f2ee4 100644
--- a/pandora_console/godmode/groups/group_list.php
+++ b/pandora_console/godmode/groups/group_list.php
@@ -83,6 +83,10 @@ if (is_ajax ()) {
 			return;
 		}
 		
+		if ( https_is_running() ) {
+			header('Content-type: application/json');
+		}
+		
 		if ($filter_agents_json != '') {
 			$filter['id_agente'] = json_decode(io_safe_output($filter_agents_json), true);
 		}