diff --git a/homeassistant/components/device_tracker/__init__.py b/homeassistant/components/device_tracker/__init__.py
index 55359b393ec..9fe18585418 100644
--- a/homeassistant/components/device_tracker/__init__.py
+++ b/homeassistant/components/device_tracker/__init__.py
@@ -114,6 +114,8 @@ def setup(hass, config):
         os.remove(csv_path)
 
     conf = config.get(DOMAIN, {})
+    if isinstance(conf, list):
+        conf = conf[0]
     consider_home = timedelta(
         seconds=util.convert(conf.get(CONF_CONSIDER_HOME), int,
                              DEFAULT_CONSIDER_HOME))