From b86ebd824c1f51c6f61f36e8b5f50486d47989bf Mon Sep 17 00:00:00 2001
From: Vincent Vanwaelscappel <vincent@cubedesigners.com>
Date: Fri, 18 Jan 2019 15:58:43 +0100
Subject: [PATCH] fix #2521 @1

---
 js/libs/fluidbook/fluidbook.3dflip.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/js/libs/fluidbook/fluidbook.3dflip.js b/js/libs/fluidbook/fluidbook.3dflip.js
index 07a9c9f9..882d52a2 100644
--- a/js/libs/fluidbook/fluidbook.3dflip.js
+++ b/js/libs/fluidbook/fluidbook.3dflip.js
@@ -496,9 +496,9 @@ Fluidbook3DFlip.prototype = {
             if (res < 10) {
                 newMode = 'disable';
             } else if (res < 30) {
-                if(this.support.edge){
-                    newMode='disable';
-                }else {
+                if (this.fluidbook.support.edge) {
+                    newMode = 'disable';
+                } else {
                     newMode = 'veryLowPerf';
                 }
             } else {
-- 
2.39.5