diff --git a/TimeAgo.php b/TimeAgo.php
index 2faf1b5..403d9d2 100644
--- a/TimeAgo.php
+++ b/TimeAgo.php
@@ -78,7 +78,7 @@ public function getAssetBundle()
     public function run()
     {
         if ($this->timestamp) {
-            echo Html::tag($this->tag, Yii::$app->formatter->asDatetime($this->timestamp), ArrayHelper::merge($this->options, ['datetime' => Yii::$app->formatter->asDatetime($this->timestamp)]));
+            echo Html::tag($this->tag, Yii::$app->formatter->asDatetime($this->timestamp), ArrayHelper::merge($this->options, ['datetime' => Yii::$app->formatter->asDatetime($this->timestamp, "php:c")]));
         }
     }