diff --git a/plugin/sns/facebook/src/base_facebook.php b/plugin/sns/facebook/src/base_facebook.php
index 2ea0fb438..f83495d62 100644
--- a/plugin/sns/facebook/src/base_facebook.php
+++ b/plugin/sns/facebook/src/base_facebook.php
@@ -372,8 +372,11 @@ abstract class BaseFacebook
       return false;
     }
 
+    $response_params = json_decode($access_token_response, true);
+    /*
     $response_params = array();
     parse_str($access_token_response, $response_params);
+    */
 
     if (!isset($response_params['access_token'])) {
       return false;