diff --git a/app/src/main/java/com/codigoparallevar/minicards/CanvasView.java b/app/src/main/java/com/codigoparallevar/minicards/CanvasView.java
index ab1ac2d..c7d6540 100644
--- a/app/src/main/java/com/codigoparallevar/minicards/CanvasView.java
+++ b/app/src/main/java/com/codigoparallevar/minicards/CanvasView.java
@@ -34,6 +34,7 @@ import java.io.File;
 import java.io.FileOutputStream;
 import java.io.FileReader;
 import java.io.IOException;
+import java.io.ObjectStreamException;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -86,6 +87,7 @@ class CanvasView extends View implements PartGrid {
         this.setBackgroundColor(Color.rgb(4, 69, 99));
 
         if (!loadState()){
+            // Sprinkle some elements around if no state is found
             parts.add(new Placeholder(this, 50, 50, 750, 500));
             parts.add(new ColorBox(this, 600, 1000, 700, 1100));
             parts.add(new RoundButton(this, 300, 1200, 80, 100));
@@ -102,7 +104,16 @@ class CanvasView extends View implements PartGrid {
             fileIn = new FileReader(file);
             char[] data = new char[(int) file.length()];
             fileIn.read(data);
-            JSONArray jsonParts = new JSONArray(new String(data ));
+            JSONObject state = new JSONObject(new String(data));
+            JSONObject metadata = state.getJSONObject("metadata");
+            int version = metadata.getInt("version");
+
+            if (version != 0) {
+                return false;
+            }
+
+            // If version 0 -> known structure
+            JSONArray jsonParts = state.getJSONArray("parts");
             for (int i = 0; i < jsonParts.length(); i++){
                 connections.addAll(deserializeObject(jsonParts.getJSONObject(i)));
             }
@@ -349,7 +360,7 @@ class CanvasView extends View implements PartGrid {
     }
 
     private byte[] serializeState() throws IOException {
-        JSONArray partArray = new JSONArray();
+        final JSONArray partArray = new JSONArray();
         for (Part part : parts) {
             JSONObject serializedPart = new JSONObject();
             try {
@@ -362,7 +373,15 @@ class CanvasView extends View implements PartGrid {
             partArray.put(serializedPart);
         }
 
-        return partArray.toString().getBytes("UTF-8");
+        final JSONObject metadataObject = new JSONObject(new HashMap<String, Object>(){{
+            put("version", 0);
+        }});
+
+        final JSONObject state = new JSONObject(new HashMap<String, Object>(){{
+            put("metadata", metadataObject);
+            put("parts", partArray);
+        }});
+        return state.toString().getBytes("UTF-8");
     }
 
     @Nullable