diff --git a/homeassistant/components/device_tracker/__init__.py b/homeassistant/components/device_tracker/__init__.py
index 6467869610d..5cedfc5cb09 100644
--- a/homeassistant/components/device_tracker/__init__.py
+++ b/homeassistant/components/device_tracker/__init__.py
@@ -154,7 +154,7 @@ def async_setup(hass: HomeAssistantType, config: ConfigType):
                 scanner = yield from hass.loop.run_in_executor(
                     None, platform.get_scanner, hass, {DOMAIN: p_config})
             elif hasattr(platform, 'async_setup_scanner'):
-                setup = yield from platform.setup_scanner(
+                setup = yield from platform.async_setup_scanner(
                     hass, p_config, tracker.see)
             elif hasattr(platform, 'setup_scanner'):
                 setup = yield from hass.loop.run_in_executor(