diff --git a/src/interaction/InteractionData.js b/src/interaction/InteractionData.js
index 9775971..d0131ff 100644
--- a/src/interaction/InteractionData.js
+++ b/src/interaction/InteractionData.js
@@ -43,19 +43,5 @@
  */
 InteractionData.prototype.getLocalPosition = function (displayObject, point, globalPos)
 {
-    var worldTransform = displayObject.worldTransform;
-    var global = globalPos ? globalPos : this.global;
-
-    // do a cheeky transform to get the mouse coords;
-    var a00 = worldTransform.a, a01 = worldTransform.c, a02 = worldTransform.tx,
-        a10 = worldTransform.b, a11 = worldTransform.d, a12 = worldTransform.ty,
-        id = 1 / (a00 * a11 + a01 * -a10);
-
-    point = point || new core.Point();
-
-    point.x = a11 * id * global.x + -a01 * id * global.x + (a12 * a01 - a02 * a11) * id;
-    point.y = a00 * id * global.y + -a10 * id * global.y + (-a12 * a00 + a02 * a10) * id;
-
-    // set the mouse coords...
-    return point;
+    return displayObject.toLocal(globalPos ? globalPos : this.global, point);
 };