diff --git a/apis/openstack-keystone/src/main/java/org/jclouds/openstack/keystone/v2_0/domain/Token.java b/apis/openstack-keystone/src/main/java/org/jclouds/openstack/keystone/v2_0/domain/Token.java
index 5b74485064..6d584f8c82 100644
--- a/apis/openstack-keystone/src/main/java/org/jclouds/openstack/keystone/v2_0/domain/Token.java
+++ b/apis/openstack-keystone/src/main/java/org/jclouds/openstack/keystone/v2_0/domain/Token.java
@@ -23,8 +23,11 @@ import static com.google.common.base.Preconditions.checkNotNull;
 import java.beans.ConstructorProperties;
 import java.util.Date;
 
+import org.jclouds.javax.annotation.Nullable;
+
 import com.google.common.base.Objects;
 import com.google.common.base.Objects.ToStringHelper;
+import com.google.common.base.Optional;
 
 /**
  * A token is an arbitrary bit of text that is used to access resources. Each token has a scope
@@ -54,7 +57,7 @@ public class Token implements Comparable<Token> {
 
       protected String id;
       protected Date expires;
-      protected Tenant tenant;
+      protected Optional<Tenant> tenant = Optional.absent();
 
       /**
        * @see Token#getId()
@@ -76,7 +79,7 @@ public class Token implements Comparable<Token> {
        * @see Token#getTenant()
        */
       public T tenant(Tenant tenant) {
-         this.tenant = tenant;
+         this.tenant = Optional.fromNullable(tenant);
          return self();
       }
 
@@ -88,7 +91,7 @@ public class Token implements Comparable<Token> {
          return this
                .id(in.getId())
                .expires(in.getExpires())
-               .tenant(in.getTenant());
+               .tenant(in.getTenant().orNull());
       }
    }
 
@@ -101,15 +104,15 @@ public class Token implements Comparable<Token> {
 
    private final String id;
    private final Date expires;
-   private final Tenant tenant;
+   private final Optional<Tenant> tenant;
 
    @ConstructorProperties({
          "id", "expires", "tenant"
    })
-   protected Token(String id, Date expires, Tenant tenant) {
+   protected Token(String id, Date expires, @Nullable Optional<Tenant> tenant) {
       this.id = checkNotNull(id, "id");
       this.expires = checkNotNull(expires, "expires");
-      this.tenant = checkNotNull(tenant, "tenant");
+      this.tenant = tenant == null ? Optional.<Tenant> absent() : tenant;
    }
 
    /**
@@ -131,7 +134,7 @@ public class Token implements Comparable<Token> {
    /**
     * @return the tenant assigned to the token
     */
-   public Tenant getTenant() {
+   public Optional<Tenant> getTenant() {
       return this.tenant;
    }
 
@@ -151,8 +154,8 @@ public class Token implements Comparable<Token> {
    }
 
    protected ToStringHelper string() {
-      return Objects.toStringHelper(this)
-            .add("id", id).add("expires", expires).add("tenant", tenant);
+      return Objects.toStringHelper(this).omitNullValues()
+            .add("id", id).add("expires", expires).add("tenant", tenant.orNull());
    }
 
    @Override
diff --git a/apis/openstack-keystone/src/test/java/org/jclouds/openstack/keystone/v2_0/parse/ParseMinimalAccessTest.java b/apis/openstack-keystone/src/test/java/org/jclouds/openstack/keystone/v2_0/parse/ParseMinimalAccessTest.java
new file mode 100644
index 0000000000..2352a08015
--- /dev/null
+++ b/apis/openstack-keystone/src/test/java/org/jclouds/openstack/keystone/v2_0/parse/ParseMinimalAccessTest.java
@@ -0,0 +1,58 @@
+/**
+ * Licensed to jclouds, Inc. (jclouds) under one or more
+ * contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  jclouds licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.jclouds.openstack.keystone.v2_0.parse;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.core.MediaType;
+
+import org.jclouds.date.internal.SimpleDateFormatDateService;
+import org.jclouds.json.BaseItemParserTest;
+import org.jclouds.openstack.keystone.v2_0.domain.Access;
+import org.jclouds.openstack.keystone.v2_0.domain.Token;
+import org.jclouds.openstack.keystone.v2_0.domain.User;
+import org.jclouds.rest.annotations.SelectJson;
+import org.testng.annotations.Test;
+
+/**
+ * @author Adrian Cole
+ */
+@Test(groups = "unit", testName = "ParseMinimalAccessTest")
+public class ParseMinimalAccessTest extends BaseItemParserTest<Access> {
+
+   @Override
+   public String resource() {
+      return "/access_minimal.json";
+   }
+
+   @Override
+   @SelectJson("access")
+   @Consumes(MediaType.APPLICATION_JSON)
+   public Access expected() {
+      return Access.builder()
+                   .token(Token.builder()
+                               .expires(new SimpleDateFormatDateService().iso8601SecondsDateParse("2012-12-02T01:44:54Z"))
+                               .id("5afc3adea6654e758b4a9cf01bafe507").build())
+                   .user(User.builder()
+                             .id("bf45fd7586c2410c980c651b918aa850")
+                             .name("nova")
+//                             .username("nova") TODO: add optional username field!
+                             .build()).build();
+   }
+
+}
diff --git a/apis/openstack-keystone/src/test/resources/access_minimal.json b/apis/openstack-keystone/src/test/resources/access_minimal.json
new file mode 100644
index 0000000000..3a168b759d
--- /dev/null
+++ b/apis/openstack-keystone/src/test/resources/access_minimal.json
@@ -0,0 +1 @@
+{"access": {"token": {"expires": "2012-12-02T01:44:54Z", "id": "5afc3adea6654e758b4a9cf01bafe507"}, "serviceCatalog": [], "user": {"username": "nova", "roles_links": [], "id": "bf45fd7586c2410c980c651b918aa850", "roles": [], "name": "nova"}}}
\ No newline at end of file
diff --git a/providers/hpcloud-objectstorage/src/main/java/org/jclouds/hpcloud/objectstorage/blobstore/HPCloudObjectStorageBlobRequestSigner.java b/providers/hpcloud-objectstorage/src/main/java/org/jclouds/hpcloud/objectstorage/blobstore/HPCloudObjectStorageBlobRequestSigner.java
index 92c060d816..db67cc68f3 100644
--- a/providers/hpcloud-objectstorage/src/main/java/org/jclouds/hpcloud/objectstorage/blobstore/HPCloudObjectStorageBlobRequestSigner.java
+++ b/providers/hpcloud-objectstorage/src/main/java/org/jclouds/hpcloud/objectstorage/blobstore/HPCloudObjectStorageBlobRequestSigner.java
@@ -105,7 +105,7 @@ public class HPCloudObjectStorageBlobRequestSigner implements BlobRequestSigner
    @PostConstruct
    public void populateTenantId() {
       // Defer call from constructor since access.get issues an RPC.
-      this.tenantId = access.get().getToken().getTenant().getId();
+      this.tenantId = access.get().getToken().getTenant().get().getId();
    }
 
    @Override