diff --git a/www/api/class/centreon_configuration_timeperiod.class.php b/www/api/class/centreon_configuration_timeperiod.class.php
index 22546150d8c..81f27ed56e2 100644
--- a/www/api/class/centreon_configuration_timeperiod.class.php
+++ b/www/api/class/centreon_configuration_timeperiod.class.php
@@ -83,7 +83,7 @@ public function getList()
         while ($data = $stmt->fetch()) {
             $timePeriodList[] = array(
                 'id' => $data['tp_id'],
-                'text' => $data['tp_name']
+                'text' => html_entity_decode($data['tp_name']),
             );
         }
         return array(
diff --git a/www/api/class/webService.class.php b/www/api/class/webService.class.php
index 36147556a3a..c56d079dc02 100644
--- a/www/api/class/webService.class.php
+++ b/www/api/class/webService.class.php
@@ -222,8 +222,8 @@ public static function sendResult($data, $code = 200, $format = null)
                 break;
             case static::RESULT_JSON:
             case null:
-                header('Content-type: application/json');
-                print json_encode($data);
+                header('Content-type: application/json;charset=utf-8');
+                print json_encode($data, JSON_UNESCAPED_UNICODE);
                 break;
         }