diff --git a/tools/test-networkmanager-service.py b/tools/test-networkmanager-service.py
index db380d0a99..0f4e6b0f53 100755
--- a/tools/test-networkmanager-service.py
+++ b/tools/test-networkmanager-service.py
@@ -1562,8 +1562,8 @@ class NetworkManager(ExportedObj):
         pass
 
     def set_state(self, new_state):
-        self._dbus_property_set(IFACE_NM, PRP_NM_STATE, state)
-        self.StateChanged(dbus.UInt32(self.state))
+        self._dbus_property_set(IFACE_NM, PRP_NM_STATE, new_state)
+        self.StateChanged(dbus.UInt32(new_state))
 
     @dbus.service.method(dbus_interface=IFACE_NM, in_signature="", out_signature="ao")
     def GetDevices(self):