diff --git a/tests/components/device_tracker/test_init.py b/tests/components/device_tracker/test_init.py
index cd4ea0f686f..b7cf33c4213 100644
--- a/tests/components/device_tracker/test_init.py
+++ b/tests/components/device_tracker/test_init.py
@@ -429,6 +429,7 @@ class TestComponentsDeviceTracker(unittest.TestCase):
         with assert_setup_component(1, device_tracker.DOMAIN):
             assert setup_component(self.hass, device_tracker.DOMAIN,
                                    TEST_PLATFORM)
+            self.hass.block_till_done()
 
         state = self.hass.states.get(device_tracker.ENTITY_ID_ALL_DEVICES)
         self.assertIsNotNone(state)