diff --git a/python2/luis_sdk/luis_client.py b/python2/luis_sdk/luis_client.py
index e767146..811a305 100644
--- a/python2/luis_sdk/luis_client.py
+++ b/python2/luis_sdk/luis_client.py
@@ -42,7 +42,7 @@ class LUISClient(object):
     Constructs a LUISClient with the corresponding user's App Id and Subscription Keys
     Starts the prediction procedure for the user's text, and accepts a callback function
     '''
-    _LUISURL = u'api.projectoxford.ai'
+    _LUISURL = u'westus.api.cognitive.microsoft.com'
     _PredictMask = u'/luis/v2.0/apps/%s?subscription-key=%s&q=%s&verbose=%s'
     _ReplyMask = u'/luis/v2.0/apps/%s?subscription-key=%s&q=%s&contextid=%s&verbose=%s'
 
diff --git a/python3/luis_sdk/luis_client.py b/python3/luis_sdk/luis_client.py
index 84cb2e2..cd9e179 100644
--- a/python3/luis_sdk/luis_client.py
+++ b/python3/luis_sdk/luis_client.py
@@ -42,7 +42,7 @@ class LUISClient:
     Constructs a LUISClient with the corresponding user's App Id and Subscription Keys
     Starts the prediction procedure for the user's text, and accepts a callback function
     '''
-    _LUISURL = 'api.projectoxford.ai'
+    _LUISURL = 'westus.api.cognitive.microsoft.com'
     _PredictMask = '/luis/v2.0/apps/%s?subscription-key=%s&q=%s&verbose=%s'
     _ReplyMask = '/luis/v2.0/apps/%s?subscription-key=%s&q=%s&contextid=%s&verbose=%s'