diff --git a/classes/Quiz.php b/classes/Quiz.php
index 27f17bd6c..d8708dc31 100644
--- a/classes/Quiz.php
+++ b/classes/Quiz.php
@@ -1133,7 +1133,7 @@ public function ajax_quiz_details() {
 
 		$data = QuizModel::get_quiz_details( $quiz_id );
 
-		$data = apply_filters( 'tutor_quiz_details_response', (array) $data, $quiz_id );
+		$data = apply_filters( 'tutor_quiz_details_response', $data, $quiz_id );
 
 		$this->json_response(
 			__( 'Quiz data fetched successfully', 'tutor' ),