diff --git a/homeassistant/components/ozw/light.py b/homeassistant/components/ozw/light.py
index 2c7461976c4..7464023868d 100644
--- a/homeassistant/components/ozw/light.py
+++ b/homeassistant/components/ozw/light.py
@@ -172,7 +172,7 @@ class ZwaveLight(ZWaveDeviceEntity, LightEntity):
 
         else:
             # transition specified by user
-            new_value = max(0, min(7620, kwargs[ATTR_TRANSITION]))
+            new_value = int(max(0, min(7620, kwargs[ATTR_TRANSITION])))
             if ozw_version < (1, 6, 1205):
                 transition = kwargs[ATTR_TRANSITION]
                 if transition <= 127:
diff --git a/tests/components/ozw/test_light.py b/tests/components/ozw/test_light.py
index 8f9892e37cd..e35a7214858 100644
--- a/tests/components/ozw/test_light.py
+++ b/tests/components/ozw/test_light.py
@@ -85,7 +85,7 @@ async def test_light(hass, light_data, light_msg, light_rgb_msg, sent_messages):
     assert state.state == "off"
 
     # Test turn on without brightness
-    new_transition = 127
+    new_transition = 127.0
     await hass.services.async_call(
         "light",
         "turn_on",