1 files changed, 2 insertions, 0 deletions

diff --git a/js/tools/drawing-tool.js b/js/tools/drawing-tool.js
index 603f63a3..dc5f7996 100755
--- a/js/tools/drawing-tool.js
+++ b/js/tools/drawing-tool.js
@@ -157,6 +157,8 @@ exports.DrawingTool = Montage.create(ToolBase, {
             this.mouseUpHitRec = null;
             this.downPoint.x = null;
             this.downPoint.y = null;
+            this.upPoint.x = null;
+            this.upPoint.y = null;
             this._isDrawing = false;
 
             if (this.drawingFeedback.mode === "Draw3D") {