diff --git a/homeassistant/components/alexa/smart_home.py b/homeassistant/components/alexa/smart_home.py
index 354a612c4b8..e9b1b845d3d 100644
--- a/homeassistant/components/alexa/smart_home.py
+++ b/homeassistant/components/alexa/smart_home.py
@@ -1168,7 +1168,7 @@ def async_api_adjust_volume(hass, config, request, entity):
 @asyncio.coroutine
 def async_api_adjust_volume_step(hass, config, request, entity):
     """Process an adjust volume step request."""
-    volume_step = round(float(request[API_PAYLOAD]['volume'] / 100), 2)
+    volume_step = round(float(request[API_PAYLOAD]['volumeSteps'] / 100), 2)
 
     current_level = entity.attributes.get(media_player.ATTR_MEDIA_VOLUME_LEVEL)
 
diff --git a/tests/components/alexa/test_smart_home.py b/tests/components/alexa/test_smart_home.py
index 71485231150..487ff301c18 100644
--- a/tests/components/alexa/test_smart_home.py
+++ b/tests/components/alexa/test_smart_home.py
@@ -511,14 +511,14 @@ def test_media_player(hass):
         'Alexa.StepSpeaker', 'AdjustVolume', 'media_player#test',
         'media_player.volume_set',
         hass,
-        payload={'volume': 20})
+        payload={'volumeSteps': 20})
     assert call.data['volume_level'] == 0.95
 
     call, _ = yield from assert_request_calls_service(
         'Alexa.StepSpeaker', 'AdjustVolume', 'media_player#test',
         'media_player.volume_set',
         hass,
-        payload={'volume': -20})
+        payload={'volumeSteps': -20})
     assert call.data['volume_level'] == 0.55