diff --git a/src/js/app.js b/src/js/app.js
index 0dd207f6..d5b45943 100644
--- a/src/js/app.js
+++ b/src/js/app.js
@@ -160,7 +160,7 @@
 
       var piskelData = this.getPiskelInitData_();
       if (piskelData && piskelData.piskel) {
-        this.loadPiskel_(piskelData.piskel, piskelData.descriptor, piskelData.fps);
+        this.loadPiskel_(piskelData);
       }
 
       if (pskl.devtools) {
@@ -175,10 +175,17 @@
       }
     },
 
-    loadPiskel_ : function (serializedPiskel) {
+    loadPiskel_ : function (piskelData) {
+      var serializedPiskel = piskelData.piskel;
       pskl.utils.serialization.Deserializer.deserialize(serializedPiskel, function (piskel, extra) {
+        var fps = extra.fps;
+        if (piskelData.descriptor) {
+          // Backward compatibility for v2 or older
+          piskel.setDescriptor(piskelData.descriptor);
+          fps = piskelData.fps;
+        }
         pskl.app.piskelController.setPiskel(piskel);
-        pskl.app.previewController.setFPS(extra.fps);
+        pskl.app.previewController.setFPS(fps);
       });
     },
 
diff --git a/src/js/utils/serialization/Deserializer.js b/src/js/utils/serialization/Deserializer.js
index 945ba5d4..0335e4f4 100644
--- a/src/js/utils/serialization/Deserializer.js
+++ b/src/js/utils/serialization/Deserializer.js
@@ -46,7 +46,7 @@
     deserializer.deserialize();
   };
 
-  ns.Deserializer.prototype.deserialize = function (name) {
+  ns.Deserializer.prototype.deserialize = function () {
     var i;
     var j;
     var buffer = this.data_;
diff --git a/src/js/utils/serialization/backward/Deserializer_v2.js b/src/js/utils/serialization/backward/Deserializer_v2.js
index 708d3505..70064e2c 100644
--- a/src/js/utils/serialization/backward/Deserializer_v2.js
+++ b/src/js/utils/serialization/backward/Deserializer_v2.js
@@ -9,10 +9,10 @@
     this.layers_ = [];
   };
 
-  ns.Deserializer_v2.prototype.deserialize = function (name) {
+  ns.Deserializer_v2.prototype.deserialize = function () {
     var data = this.data_;
     var piskelData = data.piskel;
-    name = piskelData.name || 'Deserialized piskel';
+    var name = piskelData.name || 'Deserialized piskel';
     var description = piskelData.description || '';
 
     var descriptor = new pskl.model.piskel.Descriptor(name, description);