diff --git a/js/models/core/Wallet.js b/js/models/core/Wallet.js
index 61e81b137..ecd80db24 100644
--- a/js/models/core/Wallet.js
+++ b/js/models/core/Wallet.js
@@ -520,7 +520,6 @@ Wallet.prototype._onData = function(senderId, data, ts) {
   preconditions.checkArgument(data.type);
   preconditions.checkArgument(ts);
   preconditions.checkArgument(_.isNumber(ts));
-
   log.debug('RECV', senderId, data);
 
   if (data.type !== 'walletId' && this.id !== data.walletId) {
@@ -529,7 +528,6 @@ Wallet.prototype._onData = function(senderId, data, ts) {
     return;
   }
 
-
   switch (data.type) {
     // This handler is repeaded on WalletFactory (#join). TODO
     case 'walletId':
diff --git a/test/test.Wallet.js b/test/test.Wallet.js
index c8ae349e5..7e4090a55 100644
--- a/test/test.Wallet.js
+++ b/test/test.Wallet.js
@@ -402,6 +402,37 @@ describe('Wallet model', function() {
   });
 
 
+  describe('#_onData', function() {
+    var w = cachedCreateW();
+    var sender = '025c046aaf505a6d23203edd343132e9d4d21818b962d1e9a9c98573cc2031bfc9';
+    var ts = 1410810974778246;
+    it('should fail on message unknown', function() {
+      var data = {
+        type: "xxx",
+        walletId: w.id
+      };
+
+      (function() {
+        w._onData(sender, data, ts);
+      }).should.
+      throw('unknown message type received: xxx from: 025c046aaf505a6d23203edd343132e9d4d21818b962d1e9a9c98573cc2031bfc9');
+
+    });
+
+    it('should call sendWalletReady', function() {
+      var data = {
+        type: "walletId",
+        walletId: w.id
+      };
+
+      var spy = sinon.spy(w, 'sendWalletReady');
+      w._onData(sender, data, ts);
+      sinon.assert.callCount(spy, 1);
+    });
+
+  });
+
+
   describe('#purgeTxProposals', function() {
     it('should delete all', function() {
       var w = cachedCreateW();