diff --git a/rclpy/rclpy/parameter_service.py b/rclpy/rclpy/parameter_service.py
index 18096f63d..502b3d1f3 100644
--- a/rclpy/rclpy/parameter_service.py
+++ b/rclpy/rclpy/parameter_service.py
@@ -74,7 +74,7 @@ def _get_parameters_callback(self, request, response):
 
     def _get_parameter_types_callback(self, request, response):
         for name in request.names:
-            response.types.append(self._node.get_parameter(name).get_parameter_type())
+            response.types.append(self._node.get_parameter(name).type_)
         return response
 
     def _list_parameters_callback(self, request, response):