diff --git a/src/app/_helpers/index.ts b/src/app/_helpers/index.ts
index 46ddbe2..82fdb87 100644
--- a/src/app/_helpers/index.ts
+++ b/src/app/_helpers/index.ts
@@ -8,3 +8,4 @@ export * from '@app/_helpers/http-getter';
 export * from '@app/_helpers/mock-backend';
 export * from '@app/_helpers/read-csv';
 export * from '@app/_helpers/schema-validation';
+export * from '@app/_helpers/sync';
diff --git a/src/app/_helpers/sync.ts b/src/app/_helpers/sync.ts
new file mode 100644
index 0000000..9a0840b
--- /dev/null
+++ b/src/app/_helpers/sync.ts
@@ -0,0 +1,31 @@
+import { ArgPair, Syncable } from 'cic-client-meta';
+import * as Automerge from 'automerge';
+
+export function updateSyncable(
+  changes: Array<ArgPair>,
+  changesDescription: string,
+  syncable: Syncable
+): any {
+  syncable.m = Automerge.change(syncable.m, changesDescription, (m) => {
+    changes.forEach((c) => {
+      const path = c.k.split('.');
+      let target = m['data'];
+      while (path.length > 1) {
+        const part = path.shift();
+        target = target[part];
+      }
+      try {
+        target[path[0]] = c.v;
+      } catch (e) {
+        if (
+          !e.message.includes(
+            'Cannot assign an object that already belongs to an Automerge document.'
+          )
+        ) {
+          throw new Error(e);
+        }
+      }
+    });
+    m['timestamp'] = Math.floor(Date.now() / 1000);
+  });
+}
diff --git a/src/app/_services/user.service.ts b/src/app/_services/user.service.ts
index 1844e78..240b6c8 100644
--- a/src/app/_services/user.service.ts
+++ b/src/app/_services/user.service.ts
@@ -12,7 +12,7 @@ import { MutableKeyStore, PGPSigner, Signer } from '@app/_pgp';
 import { RegistryService } from '@app/_services/registry.service';
 import { CICRegistry } from '@cicnet/cic-client';
 import { AuthService } from '@app/_services/auth.service';
-import { personValidation, vcardValidation } from '@app/_helpers';
+import { personValidation, updateSyncable, vcardValidation } from '@app/_helpers';
 import { add0x } from '@src/assets/js/ethtx/dist/hex';
 const vCard = require('vcard-parser');
 
@@ -108,7 +108,7 @@ export class UserService {
           for (const prop of Object.keys(accountInfo)) {
             update.push(new ArgPair(prop, accountInfo[prop]));
           }
-          syncableAccount.update(update, 'client-branch');
+          updateSyncable(update, 'client-branch', syncableAccount);
           await personValidation(syncableAccount.m.data);
           await this.updateMeta(syncableAccount, accountKey, this.headers);
         },