diff --git a/src/brushes/pencil_brush.class.js b/src/brushes/pencil_brush.class.js
index bf0cf9e4e5e..f2e2206e258 100644
--- a/src/brushes/pencil_brush.class.js
+++ b/src/brushes/pencil_brush.class.js
@@ -249,8 +249,8 @@
       }
 
       // set path origin coordinates based on our bounding box
-      var originLeft = this.box.minx  + (this.box.maxx - this.box.minx) / 2,
-          originTop = this.box.miny  + (this.box.maxy - this.box.miny) / 2;
+      var originLeft = this.box.minX  + (this.box.maxX - this.box.minX) / 2,
+          originTop = this.box.minY  + (this.box.maxY - this.box.minY) / 2;
 
       this.canvas.contextTop.arc(originLeft, originTop, 3, 0, Math.PI * 2, false);