1 files changed, 1 insertions, 0 deletions

diff --git a/js/lib/drawing/world.js b/js/lib/drawing/world.js
index 07a2c3ae..4140208c 100755
--- a/js/lib/drawing/world.js
+++ b/js/lib/drawing/world.js
@@ -30,6 +30,7 @@ var World = function GLWorld( canvas, use3D, preserveDrawingBuffer ) {
 
     this._canvas = canvas;
         if (this._useWebGL) {
+        preserveDrawingBuffer = true;
         if(preserveDrawingBuffer) {
             this._glContext = canvas.getContext("experimental-webgl", {preserveDrawingBuffer: true});
         } else {