diff --git a/rclcpp/include/rclcpp/node.hpp b/rclcpp/include/rclcpp/node.hpp
index 3f110d2..0c9947b 100644
--- a/rclcpp/include/rclcpp/node.hpp
+++ b/rclcpp/include/rclcpp/node.hpp
@@ -131,8 +131,7 @@ public:
   typename function_arity<
     FunctorT,
     2,
-    typename rclcpp::service::Service<ServiceT>::SharedPtr
-    >::type
+    typename rclcpp::service::Service<ServiceT>::SharedPtr>::type
   create_service(
     const std::string & service_name,
     FunctorT functor,
@@ -143,8 +142,7 @@ public:
   typename function_arity<
     FunctorT,
     3,
-    typename rclcpp::service::Service<ServiceT>::SharedPtr
-    >::type
+    typename rclcpp::service::Service<ServiceT>::SharedPtr>::type
   create_service(
     const std::string & service_name,
     FunctorT functor,
diff --git a/rclcpp/include/rclcpp/node_impl.hpp b/rclcpp/include/rclcpp/node_impl.hpp
index 0f9a207..6fc5b04 100644
--- a/rclcpp/include/rclcpp/node_impl.hpp
+++ b/rclcpp/include/rclcpp/node_impl.hpp
@@ -186,8 +186,7 @@ template<typename ServiceT, typename FunctorT>
 typename function_arity<
   FunctorT,
   2,
-  typename rclcpp::service::Service<ServiceT>::SharedPtr
-  >::type
+  typename rclcpp::service::Service<ServiceT>::SharedPtr>::type
 Node::create_service(
   const std::string & service_name,
   FunctorT functor,
@@ -214,8 +213,7 @@ template<typename ServiceT, typename FunctorT>
 typename function_arity<
   FunctorT,
   3,
-  typename rclcpp::service::Service<ServiceT>::SharedPtr
-  >::type
+  typename rclcpp::service::Service<ServiceT>::SharedPtr>::type
 Node::create_service(
   const std::string & service_name,
   FunctorT functor,