diff --git a/test/example-advertisement b/test/example-advertisement
index f116893..96e4106 100755
--- a/test/example-advertisement
+++ b/test/example-advertisement
@@ -57,7 +57,7 @@ class Advertisement(dbus.service.Object):
         self.solicit_uuids = None
         self.service_data = None
         self.local_name = None
-        self.include_tx_power = None
+        self.include_tx_power = False
         self.data = None
         dbus.service.Object.__init__(self, bus, self.path)
 
@@ -78,8 +78,8 @@ class Advertisement(dbus.service.Object):
                                                         signature='sv')
         if self.local_name is not None:
             properties['LocalName'] = dbus.String(self.local_name)
-        if self.include_tx_power is not None:
-            properties['IncludeTxPower'] = dbus.Boolean(self.include_tx_power)
+        if self.include_tx_power:
+            properties['Includes'] = dbus.Array(["tx-power"], signature='s')
 
         if self.data is not None:
             properties['Data'] = dbus.Dictionary(