diff --git a/src/main/java/fr/unix_experience/owncloud_sms/activities/remote_account/AccountActionsActivity.java b/src/main/java/fr/unix_experience/owncloud_sms/activities/remote_account/AccountActionsActivity.java
index cecd412..348cbf5 100644
--- a/src/main/java/fr/unix_experience/owncloud_sms/activities/remote_account/AccountActionsActivity.java
+++ b/src/main/java/fr/unix_experience/owncloud_sms/activities/remote_account/AccountActionsActivity.java
@@ -1,7 +1,10 @@
 package fr.unix_experience.owncloud_sms.activities.remote_account;
 
+import android.content.Context;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.v7.app.AlertDialog;
 import android.support.v7.app.ActionBar;
 import android.util.Log;
 import android.view.MenuItem;
@@ -13,6 +16,7 @@ import java.util.ArrayList;
 
 import fr.unix_experience.android_lib.AppCompatListActivity;
 import fr.unix_experience.owncloud_sms.R;
+import fr.unix_experience.owncloud_sms.prefs.OCSMSSharedPrefs;
 
 public class AccountActionsActivity extends AppCompatListActivity {
     @Override
@@ -31,6 +35,7 @@ public class AccountActionsActivity extends AppCompatListActivity {
 
         // Create item list
         itemList.add(getBaseContext().getString(R.string.restore_all_messages));
+		itemList.add(getBaseContext().getString(R.string.reinit_sync_cursor));
 
         adp.notifyDataSetChanged();
 
@@ -57,14 +62,31 @@ public class AccountActionsActivity extends AppCompatListActivity {
             case 0:
                 Intent intent = new Intent(this, RestoreMessagesActivity.class);
                 intent.putExtra("account", _accountName);
-                try {
-                    startActivity(intent);
-                } catch (IllegalStateException e) {
-                    Log.e(AccountActionsActivity.TAG, e.getMessage());
-                }
+				try {
+					startActivity(intent);
+				}
+				catch (IllegalStateException e) {
+					Log.e(AccountActionsActivity.TAG, e.getMessage());
+				}
                 break;
-            default:
-                break; // Unhandled
+			case 1:
+				final Context me = this;
+				new AlertDialog.Builder(this)
+						.setIcon(android.R.drawable.ic_dialog_alert)
+						.setTitle(R.string.reinit_sync_cursor)
+						.setMessage(R.string.reinit_sync_cursor_confirm)
+						.setPositiveButton(R.string.yes_confirm, new DialogInterface.OnClickListener() {
+							@Override
+							public void onClick(DialogInterface dialog, int which) {
+								(new OCSMSSharedPrefs(me)).setLastMessageDate(0L);
+								Log.i(AccountActionsActivity.TAG, "Synchronization cursor reinitialized");
+							}
+
+						})
+						.setNegativeButton(R.string.no_confirm, null)
+						.show();
+				break;
+            default: break; // Unhandled
         }
     }
 
diff --git a/src/main/java/fr/unix_experience/owncloud_sms/engine/OCSMSOwnCloudClient.java b/src/main/java/fr/unix_experience/owncloud_sms/engine/OCSMSOwnCloudClient.java
index 01bc1ab..3aac627 100644
--- a/src/main/java/fr/unix_experience/owncloud_sms/engine/OCSMSOwnCloudClient.java
+++ b/src/main/java/fr/unix_experience/owncloud_sms/engine/OCSMSOwnCloudClient.java
@@ -95,7 +95,7 @@ public class OCSMSOwnCloudClient {
 	}
 
 	public void doPushRequest(JSONArray smsList) throws OCSyncException {
-		/**
+		/*
 		 * If we need other API push, set it here
 		 */
 		switch (_serverAPIVersion) {
diff --git a/src/main/res/values-en/strings.xml b/src/main/res/values-en/strings.xml
index f9aebf6..747e71a 100644
--- a/src/main/res/values-en/strings.xml
+++ b/src/main/res/values-en/strings.xml
@@ -153,5 +153,9 @@
     <string name="error_make_default_sms_app">Please make this application default SMS application to permit restore your messages. This limitation has been introduced by Android 4.4.</string>
     <string name="x_messages_restored">messages restored...</string>
     <string name="err_no_connection">No connection available, please ensure you have a valid data connection.</string>
+    <string name="reinit_sync_cursor">Reinit synchronisation cursor</string>
+    <string name="reinit_sync_cursor_confirm">Are you sure you want to reinitialize the synchronization cursor ? This can slowdown the next synchronisation if we found many old messages not synced with server.</string>
+    <string name="yes_confirm">Yes</string>
+    <string name="no_confirm">No</string>
 
 </resources>
diff --git a/src/main/res/values-es/strings.xml b/src/main/res/values-es/strings.xml
index 1aaa9a0..86ee393 100644
--- a/src/main/res/values-es/strings.xml
+++ b/src/main/res/values-es/strings.xml
@@ -177,4 +177,6 @@
     <string name="restore_finished">La restauración SMS se ha completado.</string>
     <string name="x_messages_restored">mensajes restaurados&#8230;</string>
     <string name="err_no_connection">Sin conexión disponible, por favor asegure que tiene una conexión de datos válida.</string>
+    <string name="yes_confirm">Si</string>
+    <string name="no_confirm">No</string>
 </resources>
diff --git a/src/main/res/values-fr/strings.xml b/src/main/res/values-fr/strings.xml
index 279e919..f41cd04 100644
--- a/src/main/res/values-fr/strings.xml
+++ b/src/main/res/values-fr/strings.xml
@@ -177,4 +177,8 @@
     <string name="restore_finished">La restauration des SMS est terminée</string>
     <string name="x_messages_restored">messages restaurés...</string>
     <string name="err_no_connection">Aucune connexion disponible, vérifiez que vous disposez d\'une connexion de données valide.</string>
+    <string name="reinit_sync_cursor">Réinitialiser le curseur de synchronisation</string>
+    <string name="reinit_sync_cursor_confirm">Êtes vous sûr de vouloir réinitialiser le curseur de synchronisation ? Cela peut ralentir fortement la prochaine synchronisation si l\'application trouve beaucoup d\'anciens messages non synchronisés avec le serveur.</string>
+    <string name="yes_confirm">Oui</string>
+    <string name="no_confirm">Non</string>
 </resources>
diff --git a/src/main/res/values/strings.xml b/src/main/res/values/strings.xml
index 6b90d12..0c7a4f8 100644
--- a/src/main/res/values/strings.xml
+++ b/src/main/res/values/strings.xml
@@ -254,4 +254,8 @@
     <string name="restore_finished">SMS restoration is now finished.</string>
     <string name="x_messages_restored">messages restored&#8230;</string>
     <string name="err_no_connection">No connection available, please ensure you have a valid data connection.</string>
+    <string name="reinit_sync_cursor">Reinit synchronisation cursor</string>
+    <string name="reinit_sync_cursor_confirm">Are you sure you want to reinitialize the synchronization cursor ? This can slowdown the next synchronisation if we found many old messages not synced with server.</string>
+    <string name="yes_confirm">Yes</string>
+    <string name="no_confirm">No</string>
 </resources>