diff --git a/src/class-convertkit-api-v4.php b/src/class-convertkit-api-v4.php
index bbe820f..085f849 100644
--- a/src/class-convertkit-api-v4.php
+++ b/src/class-convertkit-api-v4.php
@@ -1487,10 +1487,11 @@ public function request( $endpoint, $method = 'get', $params = array(), $retry_i
 							 *
 							 * @since   2.1.1
 							 *
-							 * @param   WP_Error  $error      WP_Error object.
-							 * @param   string    $client_id  OAuth Client ID.
+							 * @param   WP_Error  $error                   WP_Error object.
+							 * @param   string    $client_id               OAuth Client ID.
+							 * @param   string    $invalid_access_token    Existing (invalid) Access Token.
 							 */
-							do_action( 'convertkit_api_access_token_invalid', $error, $this->client_id );
+							do_action( 'convertkit_api_access_token_invalid', $error, $this->client_id, $this->access_token );
 
 							// Return error.
 							return $error;