diff --git a/docbook/reference/en/en-US/modules/direct-access.xml b/docbook/reference/en/en-US/modules/direct-access.xml
index c08735b..39b0e5c 100755
--- a/docbook/reference/en/en-US/modules/direct-access.xml
+++ b/docbook/reference/en/en-US/modules/direct-access.xml
@@ -87,6 +87,7 @@ try {
if (isPublic()) { // if client is public access type
formparams.add(new BasicNameValuePair(OAuth2Constants.CLIENT_ID, "customer-portal"));
+ formparams.add(new BasicNameValuePair(OAuth2Constants.GRANT_TYPE, "password"));
} else {
String authorization = BasicAuthHelper.createHeader("customer-portal", "secret-secret-secret");
post.setHeader("Authorization", authorization);