diff --git a/src/main/java/com/microsoft/aad/adal4j/AuthenticationAuthority.java b/src/main/java/com/microsoft/aad/adal4j/AuthenticationAuthority.java
index <HASH>..<HASH> 100644
--- a/src/main/java/com/microsoft/aad/adal4j/AuthenticationAuthority.java
+++ b/src/main/java/com/microsoft/aad/adal4j/AuthenticationAuthority.java
@@ -37,7 +37,7 @@ class AuthenticationAuthority {
 

     private final static String[] TRUSTED_HOST_LIST = { "login.windows.net",

             "login.chinacloudapi.cn", "login-us.microsoftonline.com", "login.microsoftonline.de",

-            "login.microsoftonline.com" };

+            "login.microsoftonline.com", "login.microsoftonline.us" };

     private final static String TENANTLESS_TENANT_NAME = "common";

     private final static String AUTHORIZE_ENDPOINT_TEMPLATE = "https://{host}/{tenant}/oauth2/authorize";

     private final static String DISCOVERY_ENDPOINT = "common/discovery/instance";
adding login.microsoftonline.us to Authority trusted hosts list