diff --git a/CHANGELOG.md b/CHANGELOG.md
index 138416a00d..0cf52e17b6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,10 @@ Format based on [Keep a Changelog](http://keepachangelog.com/)
 ### Security
 ### Migrations
 
+## [2.2.1]
+### Fixes
+  - Ensures order on personaIdentifier IFIs 
+
 ## [2.2.0]
 ### Added
   - Override system email address ([#1029](https://github.com/LearningLocker/learninglocker/pull/1029)) (thanks to [@eashman](https://github.com/eashman))
diff --git a/VERSION b/VERSION
index ccbccc3dc6..c043eea776 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.2.0
+2.2.1
diff --git a/api/src/routes/tests/personaController/postIdentifier-test.js b/api/src/routes/tests/personaController/postIdentifier-test.js
index 25913c3efc..829355423e 100644
--- a/api/src/routes/tests/personaController/postIdentifier-test.js
+++ b/api/src/routes/tests/personaController/postIdentifier-test.js
@@ -14,6 +14,7 @@ describe('personaController postIdentifier', () => {
 
   beforeEach(async () => {
     await personaService.clearService();
+    await personaService.migrate();
     token = await createOrgToken();
   });
 
@@ -47,4 +48,39 @@ describe('personaController postIdentifier', () => {
     expect(result.body.ifi.key).to.equal('account');
     expect(result.body.persona).to.equal(persona.id);
   });
+
+  it('should not be able to duplicate an identifier', async () => {
+    const { persona } = await personaService.createPersona({
+      organisation: testId,
+      name: 'Dave'
+    });
+
+    const ifi = {
+      key: 'account',
+      value: {
+        homePage: 'http://example.org',
+        name: 'test'
+      }
+    };
+
+    await personaService.createIdentifier({
+      organisation: testId,
+      persona: persona.id,
+      ifi
+    });
+
+    await apiApp.post(routes.PERSONA_IDENTIFIER)
+      .set('Authorization', `Bearer ${token}`)
+      .send({
+        ifi: {
+          key: ifi.key,
+          value: {
+            name: ifi.value.name,
+            homePage: ifi.value.homePage,
+          }
+        },
+        persona: persona.id
+      })
+      .expect(400);
+  });
 });
diff --git a/cli/src/commands/v2-migrations/20171127214900_migrate_identifiers.js b/cli/src/commands/v2-migrations/20171127214900_migrate_identifiers.js
index cb54f175ef..8086bee555 100644
--- a/cli/src/commands/v2-migrations/20171127214900_migrate_identifiers.js
+++ b/cli/src/commands/v2-migrations/20171127214900_migrate_identifiers.js
@@ -1,5 +1,7 @@
 import highland from 'highland';
 import logger from 'lib/logger';
+import isPlainObject from 'lodash/isPlainObject';
+import has from 'lodash/has';
 import { getConnection } from 'lib/connections/mongoose';
 import { MongoError, ObjectID } from 'mongodb';
 
@@ -24,7 +26,11 @@ const processStream = stream =>
 
 const createNewIdent = (doc) => {
   const { key, value } = doc.uniqueIdentifier;
+
   const newKey = /^statement\.actor\./.test(key) ? key.replace('statement.actor.', '') : key;
+  const newValue = (isPlainObject(value) && has(value, 'homePage') && has(value, 'name'))
+    ? { homePage: value.homePage, name: value.name }
+    : value;
 
   return {
     _id: doc._id,
@@ -34,7 +40,7 @@ const createNewIdent = (doc) => {
     persona: doc.persona,
     ifi: {
       key: newKey,
-      value,
+      value: newValue,
     }
   };
 };
diff --git a/package.json b/package.json
index b2cbf06f2e..82381124d0 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "learning_locker",
   "description": "An open source learning record store",
   "license": "GPL-3.0",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "repository": {
     "type": "git",
     "url": "https://github.com/LearningLocker/learninglocker"
@@ -50,7 +50,7 @@
   "dependencies": {
     "@google-cloud/pubsub": "^0.16.1",
     "@google-cloud/storage": "^1.5.2",
-    "@learninglocker/persona-service": "^1.6.8",
+    "@learninglocker/persona-service": "^1.6.9",
     "@learninglocker/xapi-statements": "^5.0.9",
     "@learninglocker/xapi-validation": "^2.1.5",
     "@newrelic/native-metrics": "^2.1.0",
diff --git a/yarn.lock b/yarn.lock
index ef5af722a1..10c0ff46f5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -84,9 +84,9 @@
     string-format-obj "^1.0.0"
     through2 "^2.0.0"
 
-"@learninglocker/persona-service@^1.6.8":
-  version "1.6.8"
-  resolved "https://registry.yarnpkg.com/@learninglocker/persona-service/-/persona-service-1.6.8.tgz#a95811a14698387cb288080870dbdbb8ddd902de"
+"@learninglocker/persona-service@^1.6.9":
+  version "1.6.9"
+  resolved "https://registry.yarnpkg.com/@learninglocker/persona-service/-/persona-service-1.6.9.tgz#60518ca809e6ae3179b56ac90706aa2f6794e28b"
   dependencies:
     aws-sdk "^2.0.1"
     bluebird "^3.5.0"