diff --git a/dbus_next/service.py b/dbus_next/service.py
index b2a96cf..a241dcb 100644
--- a/dbus_next/service.py
+++ b/dbus_next/service.py
@@ -88,7 +88,7 @@ def echo_two(self, val1: 's', val2: 'u') -> 'su':
     def decorator(fn):
         @wraps(fn)
         def wrapped(*args, **kwargs):
-            fn(*args, **kwargs)
+            return fn(*args, **kwargs)
 
         fn_name = name if name else fn.__name__
         wrapped.__dict__['__DBUS_METHOD'] = _Method(fn, fn_name, disabled=disabled)