diff --git a/homeassistant/components/google_assistant/const.py b/homeassistant/components/google_assistant/const.py
index 1bab27bdd12..b6f57546cec 100644
--- a/homeassistant/components/google_assistant/const.py
+++ b/homeassistant/components/google_assistant/const.py
@@ -100,7 +100,7 @@ DEVICE_CLASS_TO_GOOGLE_TYPES = {
     (switch.DOMAIN, switch.DEVICE_CLASS_OUTLET): TYPE_OUTLET,
     (binary_sensor.DOMAIN, binary_sensor.DEVICE_CLASS_DOOR): TYPE_DOOR,
     (binary_sensor.DOMAIN, binary_sensor.DEVICE_CLASS_GARAGE_DOOR):
-    TYPE_SENSOR,
+    TYPE_GARAGE,
     (binary_sensor.DOMAIN, binary_sensor.DEVICE_CLASS_LOCK): TYPE_SENSOR,
     (binary_sensor.DOMAIN, binary_sensor.DEVICE_CLASS_OPENING): TYPE_SENSOR,
     (binary_sensor.DOMAIN, binary_sensor.DEVICE_CLASS_WINDOW): TYPE_SENSOR,
diff --git a/tests/components/google_assistant/test_smart_home.py b/tests/components/google_assistant/test_smart_home.py
index 375f647da22..ce750b74e23 100644
--- a/tests/components/google_assistant/test_smart_home.py
+++ b/tests/components/google_assistant/test_smart_home.py
@@ -602,7 +602,7 @@ async def test_device_class_switch(hass, device_class, google_type):
 
 @pytest.mark.parametrize("device_class,google_type", [
     ('door', 'action.devices.types.DOOR'),
-    ('garage_door', 'action.devices.types.SENSOR'),
+    ('garage_door', 'action.devices.types.GARAGE'),
     ('lock', 'action.devices.types.SENSOR'),
     ('opening', 'action.devices.types.SENSOR'),
     ('window', 'action.devices.types.SENSOR'),
@@ -646,6 +646,7 @@ async def test_device_class_binary_sensor(hass, device_class, google_type):
 @pytest.mark.parametrize("device_class,google_type", [
     ('non_existing_class', 'action.devices.types.BLINDS'),
     ('door', 'action.devices.types.DOOR'),
+    ('garage', 'action.devices.types.GARAGE'),
 ])
 async def test_device_class_cover(hass, device_class, google_type):
     """Test that a binary entity syncs to the correct device type."""