diff --git a/lib/class-wp-rest-oauth1.php b/lib/class-wp-rest-oauth1.php
index d95e060..1d5cbdd 100644
--- a/lib/class-wp-rest-oauth1.php
+++ b/lib/class-wp-rest-oauth1.php
@@ -221,6 +221,8 @@ public function get_authentication_errors( $value ) {
 			return $value;
 		}
 
+		$this->authenticate( null );
+
 		return $this->auth_status;
 	}
 
diff --git a/oauth-server.php b/oauth-server.php
index 6793853..de5ed48 100644
--- a/oauth-server.php
+++ b/oauth-server.php
@@ -74,7 +74,6 @@ function rest_oauth1_load() {
 	global $wp_json_authentication_oauth1;
 
 	$wp_json_authentication_oauth1 = new WP_REST_OAuth1();
-	add_filter( 'determine_current_user', array( $wp_json_authentication_oauth1, 'authenticate' ) );
 	add_filter( 'rest_authentication_errors', array( $wp_json_authentication_oauth1, 'get_authentication_errors' ) );
 }
 add_action( 'init', 'rest_oauth1_load' );