diff --git a/src/pixi/InteractionManager.js b/src/pixi/InteractionManager.js
index bb88a5f..c475d95 100644
--- a/src/pixi/InteractionManager.js
+++ b/src/pixi/InteractionManager.js
@@ -217,6 +217,8 @@
 
 PIXI.InteractionManager.prototype.onMouseDown = function(event)
 {
+	event.preventDefault();
+	
 	// loop through inteaction tree...
 	// hit test each item! -> 
 	// get interactive items under point??
@@ -253,6 +255,8 @@
 
 PIXI.InteractionManager.prototype.onMouseUp = function(event)
 {
+	
+	
 	var global = this.mouse.global;
 	
 	
@@ -407,6 +411,8 @@
 
 PIXI.InteractionManager.prototype.onTouchStart = function(event)
 {
+	event.preventDefault();
+	
 	var rect = this.target.view.getBoundingClientRect();
 	
 	var changedTouches = event.changedTouches;