diff --git a/tests/test_tuya_dimmer.py b/tests/test_tuya_dimmer.py
index bd08cae7ef..97679ef2a4 100644
--- a/tests/test_tuya_dimmer.py
+++ b/tests/test_tuya_dimmer.py
@@ -48,7 +48,7 @@ async def test_command(zigpy_device_from_quirk, quirk):
         m1.assert_called_with(
             61184,
             4,
-            b"\x01\x04\x00\x00\x03\x02\x02\x00\x04\x00\x00\x03r",
+            b"\x01\x04\x00\x00\x03\x02\x02\x00\x04r\x03\x00\x00",
             expect_reply=True,
             command_id=0,
         )
@@ -78,7 +78,7 @@ async def test_write_attr(zigpy_device_from_quirk, quirk):
         m1.assert_called_with(
             61184,
             2,
-            b"\x01\x02\x00\x00\x01\x03\x02\x00\x04\x00\x00\x00b",
+            b"\x01\x02\x00\x00\x01\x03\x02\x00\x04b\x00\x00\x00",
             expect_reply=False,
             command_id=0,
         )
diff --git a/tests/test_tuya_mcu.py b/tests/test_tuya_mcu.py
index be1d25d582..0bd1ea2580 100644
--- a/tests/test_tuya_mcu.py
+++ b/tests/test_tuya_mcu.py
@@ -135,7 +135,7 @@ async def test_tuya_methods(zigpy_device_from_quirk, quirk):
     assert len(result_1.datapoints) == 1
     assert result_1.datapoints[0].dp == 9
     assert result_1.datapoints[0].data.dp_type == TuyaDPType.VALUE
-    assert result_1.datapoints[0].data.raw == b"\x00\x00\x00b"
+    assert result_1.datapoints[0].data.raw == b"b\x00\x00\x00"
 
     tcd_2 = TuyaClusterData(
         endpoint_id=7, cluster_attr="not_exists_attribute", attr_value=25
diff --git a/tests/test_tuya_valve.py b/tests/test_tuya_valve.py
index d07ded2f80..f4a7785a8a 100644
--- a/tests/test_tuya_valve.py
+++ b/tests/test_tuya_valve.py
@@ -61,7 +61,7 @@ async def test_write_attr_psbzs(zigpy_device_from_quirk, quirk):
         m1.assert_called_with(
             61184,
             2,
-            b"\x01\x02\x00\x00\x01\x05\x02\x00\x04\x00\x00\x00\x0f",
+            b"\x01\x02\x00\x00\x01\x05\x02\x00\x04\x0f\x00\x00\x00",
             expect_reply=False,
             command_id=0,
         )
diff --git a/zhaquirks/tuya/mcu/__init__.py b/zhaquirks/tuya/mcu/__init__.py
index dd650eed19..ad9718ae45 100644
--- a/zhaquirks/tuya/mcu/__init__.py
+++ b/zhaquirks/tuya/mcu/__init__.py
@@ -217,7 +217,7 @@ def from_cluster_data(self, data: TuyaClusterData) -> Optional[TuyaCommand]:
             tuya_data = TuyaData()
             tuya_data.dp_type = datapoint_type
             tuya_data.function = 0
-            tuya_data.raw = t.LVBytes.deserialize(val)[0]
+            tuya_data.raw = bytes(reversed(val[1:]))
             self.debug("raw: %s", tuya_data.raw)
             dpd = TuyaDatapointData(dp, tuya_data)
             cmd_payload.datapoints = [dpd]