diff --git a/src/core/display/ObservablePoint.js b/src/core/display/ObservablePoint.js
index fd7a04b..958661f 100644
--- a/src/core/display/ObservablePoint.js
+++ b/src/core/display/ObservablePoint.js
@@ -35,7 +35,7 @@
         set: function (value)
         {
             this._x = value;
-            this.transform.dirty = true;
+            this.transform._versionLocal++;
         }
     },
 
@@ -47,7 +47,7 @@
         set: function (value)
         {
             this._y = value;
-            this.transform.dirty = true;
+            this.transform._versionLocal++;
         }
     }
 });
@@ -63,6 +63,6 @@
 {
     this._x = x || 0;
     this._y = y || ( (y !== 0) ? this._x : 0 );
-    
-    this.transform.dirty = true;
+
+    this.transform._versionLocal++;
 };