diff --git a/src/govee_ble/parser.py b/src/govee_ble/parser.py
index faa1d73..9987a6c 100644
--- a/src/govee_ble/parser.py
+++ b/src/govee_ble/parser.py
@@ -181,7 +181,10 @@ def _start_update(self, service_info: BluetoothServiceInfo) -> None:
     @property
     def device_type(self) -> str:
         """Return the device type."""
-        return self._device_id_to_type[None]
+        # Primary device first
+        return self._device_id_to_type.get(
+            None, next(iter(self._device_id_to_type.values())).partition("-")[0]
+        )
 
     @property
     def button_count(self) -> int:
diff --git a/tests/test_parser.py b/tests/test_parser.py
index c994286..b4b9fa9 100644
--- a/tests/test_parser.py
+++ b/tests/test_parser.py
@@ -3236,6 +3236,7 @@ def test_gvh5178():
     parser = GoveeBluetoothDeviceData()
     service_info = GVH5178_SERVICE_INFO
     result = parser.update(service_info)
+    assert parser.device_type == "H5178"
     assert result == SensorUpdate(
         title="B51782BC8",
         devices={