diff --git a/tools/sdbusplus/method.py b/tools/sdbusplus/method.py
index 6bc76b4..47d0c33 100644
--- a/tools/sdbusplus/method.py
+++ b/tools/sdbusplus/method.py
@@ -63,10 +63,12 @@
             lambda p: p.cppTypeParam(interface.name, full=True)
         )
 
-    def get_parameters_str(self, interface, defaultValue=False):
+    def get_parameters_str(
+        self, interface, defaultValue=False, join_str=",\n            "
+    ):
         return self.parameters_as_list(
             lambda p: self.parameter(interface, p, defaultValue),
-            ",\n            ",
+            join_str,
         )
 
     def or_cpp_flags(self, flags):
diff --git a/tools/sdbusplus/templates/interface.client.hpp.mako b/tools/sdbusplus/templates/interface.client.hpp.mako
index bbb8538..b9d7fae 100644
--- a/tools/sdbusplus/templates/interface.client.hpp.mako
+++ b/tools/sdbusplus/templates/interface.client.hpp.mako
@@ -83,7 +83,8 @@
         std::conditional_t<std::is_void_v<Proxy>,
                            sdbusplus::async::client_t<details::${interface.classname}>,
                            details::${interface.classname}<Proxy>>(
-            std::forward<Args>(args)...) {}
+            std::forward<Args>(args)...)
+    {}
 };
 
 } // namespace sdbusplus::client::${interface.cppNamespacedClass()}
diff --git a/tools/sdbusplus/templates/method.client.hpp.mako b/tools/sdbusplus/templates/method.client.hpp.mako
index 6d035ca..16bbfce 100644
--- a/tools/sdbusplus/templates/method.client.hpp.mako
+++ b/tools/sdbusplus/templates/method.client.hpp.mako
@@ -16,17 +16,15 @@
      */
     auto ${method.camelCase}(\
     % if len(method.parameters) != 0:
-
-            ${method.get_parameters_str(interface)}\
+${method.get_parameters_str(interface, join_str=", ")}\
     % else:
     % endif
 )
     {
-        return proxy.template call<${method.returns_as_list(interface)}>(
-            ctx, "${method.name}"\
+        return proxy.template call<\
+${method.returns_as_list(interface)}>(ctx, "${method.name}"\
     % if len(method.parameters) != 0:
-,
-            ${method.parameters_as_list()}\
+, ${method.parameters_as_list()}\
     % else:
     % endif
 );