diff --git a/config_example/configuration.j2 b/config_example/configuration.j2
index 8e53336..fba3e7b 100644
--- a/config_example/configuration.j2
+++ b/config_example/configuration.j2
@@ -8,6 +8,7 @@ mqtt:
 serial:
   port: /dev/ttyttyUSB0
   channel: 5
+  adapter: ezsp
 advanced:
     # Let Zigbee2MQTT generate a network key on first start
     network_key: GENERATE