diff --git a/src/main/java/fr/unix_experience/owncloud_sms/engine/ASyncContactLoad.java b/src/main/java/fr/unix_experience/owncloud_sms/engine/ASyncContactLoad.java
index 4e56db4..5c9738f 100644
--- a/src/main/java/fr/unix_experience/owncloud_sms/engine/ASyncContactLoad.java
+++ b/src/main/java/fr/unix_experience/owncloud_sms/engine/ASyncContactLoad.java
@@ -5,7 +5,6 @@ import android.accounts.AccountManager;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.database.Cursor;
-import android.net.Uri;
 import android.os.AsyncTask;
 import android.provider.ContactsContract;
 import android.support.v4.widget.SwipeRefreshLayout;
@@ -51,19 +50,14 @@ public interface ASyncContactLoad {
 		}
 		@Override
 		protected Boolean doInBackground(Void... params) {
-			// Create client
-			String ocURI = ContactLoadTask._accountMgr.getUserData(ContactLoadTask._account, "ocURI");
-			if (ocURI == null) {
-				// @TODO: Handle the problem
+			OCSMSOwnCloudClient _client = null;
+			try {
+				_client = new OCSMSOwnCloudClient(_context, ContactLoadTask._account);
+			}
+			catch (IllegalStateException e) {
 				return false;
 			}
 
-			Uri serverURI = Uri.parse(ocURI);
-
-			OCSMSOwnCloudClient _client = new OCSMSOwnCloudClient(_context,
-					serverURI, ContactLoadTask._accountMgr.getUserData(ContactLoadTask._account, "ocLogin"),
-                    ContactLoadTask._accountMgr.getPassword(ContactLoadTask._account));
-
 			// Remove all objects, due to refreshing handling
 			_objects.clear();
 			try {
diff --git a/src/main/java/fr/unix_experience/owncloud_sms/engine/ASyncSMSSync.java b/src/main/java/fr/unix_experience/owncloud_sms/engine/ASyncSMSSync.java
index 44f890f..8e29534 100644
--- a/src/main/java/fr/unix_experience/owncloud_sms/engine/ASyncSMSSync.java
+++ b/src/main/java/fr/unix_experience/owncloud_sms/engine/ASyncSMSSync.java
@@ -47,15 +47,13 @@ public interface ASyncSMSSync {
 
 			// Notify that we are syncing SMS
 			for (Account element : myAccountList) {
-				Uri serverURI = Uri.parse(_accountMgr.getUserData(element, "ocURI"));
-
-				OCSMSOwnCloudClient _client = new OCSMSOwnCloudClient(_context,
-						serverURI, _accountMgr.getUserData(element, "ocLogin"),
-						_accountMgr.getPassword(element));
-
 				try {
+					OCSMSOwnCloudClient _client = new OCSMSOwnCloudClient(_context, element);
 					_client.doPushRequest(_smsList);
 					OCSMSNotificationUI.cancel(_context);
+				} catch (IllegalStateException e) { // Fail to read account data
+					OCSMSNotificationUI.notify(_context, _context.getString(R.string.fatal_error),
+							e.toString(), OCSMSNotificationType.SYNC_FAILED.ordinal());
 				} catch (OCSyncException e) {
 					Log.e(ASyncSMSSync.TAG, _context.getString(e.getErrorId()));
                     OCSMSNotificationUI.notify(_context, _context.getString(R.string.fatal_error),
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 a3282b0..e990db7 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
@@ -17,6 +17,8 @@ package fr.unix_experience.owncloud_sms.engine;
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+import android.accounts.Account;
+import android.accounts.AccountManager;
 import android.content.Context;
 import android.net.Uri;
 import android.util.Log;
@@ -42,10 +44,20 @@ import fr.unix_experience.owncloud_sms.prefs.OCSMSSharedPrefs;
 @SuppressWarnings("deprecation")
 public class OCSMSOwnCloudClient {
 
-	public OCSMSOwnCloudClient(Context context, Uri serverURI, String accountName, String accountPassword) {
+	public OCSMSOwnCloudClient(Context context, Account account) {
 		_context = context;
 		_serverAPIVersion = 1;
-		_http = new HTTPRequestBuilder(context, serverURI, accountName, accountPassword);
+
+		AccountManager accountManager = AccountManager.get(context);
+		String ocURI = accountManager.getUserData(account, "ocURI");
+		if (ocURI == null) {
+			throw new IllegalStateException(context.getString(R.string.err_sync_account_unparsable));
+		}
+
+		Uri serverURI = Uri.parse(ocURI);
+		_http = new HTTPRequestBuilder(context, serverURI,
+				accountManager.getUserData(account, "ocLogin"),
+				accountManager.getPassword(account));
         _connectivityMonitor = new ConnectivityMonitor(_context);
 	}
 
diff --git a/src/main/java/fr/unix_experience/owncloud_sms/sync_adapters/SmsSyncAdapter.java b/src/main/java/fr/unix_experience/owncloud_sms/sync_adapters/SmsSyncAdapter.java
index 0257335..cd50379 100644
--- a/src/main/java/fr/unix_experience/owncloud_sms/sync_adapters/SmsSyncAdapter.java
+++ b/src/main/java/fr/unix_experience/owncloud_sms/sync_adapters/SmsSyncAdapter.java
@@ -18,12 +18,10 @@ package fr.unix_experience.owncloud_sms.sync_adapters;
  */
 
 import android.accounts.Account;
-import android.accounts.AccountManager;
 import android.content.AbstractThreadedSyncAdapter;
 import android.content.ContentProviderClient;
 import android.content.Context;
 import android.content.SyncResult;
-import android.net.Uri;
 import android.os.Bundle;
 import android.util.Log;
 
@@ -34,40 +32,30 @@ import fr.unix_experience.owncloud_sms.enums.OCSyncErrorType;
 import fr.unix_experience.owncloud_sms.exceptions.OCSyncException;
 import fr.unix_experience.owncloud_sms.notifications.OCSMSNotificationUI;
 
-public class SmsSyncAdapter extends AbstractThreadedSyncAdapter {
+class SmsSyncAdapter extends AbstractThreadedSyncAdapter {
 
-	public SmsSyncAdapter(Context context, boolean autoInitialize) {
+	SmsSyncAdapter(Context context, boolean autoInitialize) {
 		super(context, autoInitialize);
-		_accountMgr = AccountManager.get(context);
 	}
 
 	@Override
 	public void onPerformSync(Account account, Bundle extras, String authority,
                               ContentProviderClient provider, SyncResult syncResult) {
-		// Create client
-		String ocURI = _accountMgr.getUserData(account, "ocURI");
-		if (ocURI == null) {
-            OCSMSNotificationUI.notify(getContext(), getContext().getString(R.string.fatal_error),
-                     getContext().getString(R.string.err_sync_account_unparsable),
-                    OCSMSNotificationType.SYNC_FAILED.ordinal());
-			return;
-		}
-
-		Uri serverURI = Uri.parse(ocURI);
         OCSMSNotificationUI.notify(getContext(), getContext().getString(R.string.sync_title),
                 getContext().getString(R.string.sync_inprogress), OCSMSNotificationType.SYNC.ordinal());
 
-		OCSMSOwnCloudClient _client = new OCSMSOwnCloudClient(getContext(),
-				serverURI, _accountMgr.getUserData(account, "ocLogin"),
-				_accountMgr.getPassword(account));
-
 		try {
+			OCSMSOwnCloudClient _client = new OCSMSOwnCloudClient(getContext(), account);
+
 			// getServerAPI version
 			Log.i(SmsSyncAdapter.TAG, "Server API version: " + _client.getServerAPIVersion());
 
 			// and push datas
 			_client.doPushRequest(null);
-            OCSMSNotificationUI.cancel(getContext());
+			OCSMSNotificationUI.cancel(getContext());
+		} catch (IllegalStateException e) {
+			OCSMSNotificationUI.notify(getContext(), getContext().getString(R.string.fatal_error),
+					e.toString(), OCSMSNotificationType.SYNC_FAILED.ordinal());
 		} catch (OCSyncException e) {
             OCSMSNotificationUI.cancel(getContext());
             OCSMSNotificationUI.notify(getContext(), getContext().getString(R.string.fatal_error),
@@ -87,7 +75,5 @@ public class SmsSyncAdapter extends AbstractThreadedSyncAdapter {
 		}
 	}
 
-	private final AccountManager _accountMgr;
-
 	private static final String TAG = SmsSyncAdapter.class.getSimpleName();
 }