diff --git a/src/interactions/drag/xDragBoxInteraction.ts b/src/interactions/drag/xDragBoxInteraction.ts
index 540ecf1dd0..91c6618b0e 100644
--- a/src/interactions/drag/xDragBoxInteraction.ts
+++ b/src/interactions/drag/xDragBoxInteraction.ts
@@ -5,7 +5,7 @@ module Plottable {
     public _drag(){
       super._drag();
       var width  = Math.abs(this.origin[0] - this.location[0]);
-      var height = parseFloat(this.hitBox.attr("height"));
+      var height = this.componentToListenTo.availableHeight;
       var x      = Math.min(this.origin[0] , this.location[0]);
       var y      = 0
       this.dragBox.attr({x: x, y: y, height: height, width: width});