diff --git a/src/main/java/org/zendesk/client/v2/Zendesk.java b/src/main/java/org/zendesk/client/v2/Zendesk.java
index 7292d37fc..17da99377 100644
--- a/src/main/java/org/zendesk/client/v2/Zendesk.java
+++ b/src/main/java/org/zendesk/client/v2/Zendesk.java
@@ -949,7 +949,7 @@ public Identity updateUserIdentity(long userId, Identity identity) {
         checkHasId(identity);
         return complete(submit(req("PUT", tmpl("/users/{userId}/identities/{identityId}.json")
                 .set("userId", userId)
-                .set("identityId", identity.getId()), JSON, null), handle(Identity.class, "identity")));
+                .set("identityId", identity.getId()), JSON, json(Collections.singletonMap("identity", identity))), handle(Identity.class, "identity")));
     }
 
     public Identity updateUserIdentity(User user, Identity identity) {
diff --git a/src/test/java/org/zendesk/client/v2/RealSmokeTest.java b/src/test/java/org/zendesk/client/v2/RealSmokeTest.java
index 3c26b01ad..0802be3a0 100644
--- a/src/test/java/org/zendesk/client/v2/RealSmokeTest.java
+++ b/src/test/java/org/zendesk/client/v2/RealSmokeTest.java
@@ -472,8 +472,6 @@ public void lookupUserIdentities() throws Exception {
     }
 
     @Test
-    @Ignore("Failing and I don't know why")
-    // TODO: Fix this test
     public void updateUserIdentity() throws Exception {
         createClientWithTokenOrPassword();
         User user = instance.getCurrentUser();