diff --git a/homeassistant/components/device_tracker/mikrotik.py b/homeassistant/components/device_tracker/mikrotik.py
index a4a15fb9d60..d6b965cbadf 100644
--- a/homeassistant/components/device_tracker/mikrotik.py
+++ b/homeassistant/components/device_tracker/mikrotik.py
@@ -46,7 +46,7 @@ class MikrotikScanner(DeviceScanner):
         self.port = config[CONF_PORT]
         self.username = config[CONF_USERNAME]
         self.password = config[CONF_PASSWORD]
-        self.method = config[CONF_METHOD]
+        self.method = config.get(CONF_METHOD)
 
         self.connected = False
         self.success_init = False