From dcf1462482a15cdc336dd970fb14b25362858325 Mon Sep 17 00:00:00 2001
From: KDSBrowne <kert.browne85@gmail.com>
Date: Wed, 18 Dec 2019 21:35:03 +0000
Subject: [PATCH] fix error for invalid viewBox values

---
 .../imports/ui/components/presentation/component.jsx            | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bigbluebutton-html5/imports/ui/components/presentation/component.jsx b/bigbluebutton-html5/imports/ui/components/presentation/component.jsx
index 0b6b1a6f68..c8a39f4ea8 100755
--- a/bigbluebutton-html5/imports/ui/components/presentation/component.jsx
+++ b/bigbluebutton-html5/imports/ui/components/presentation/component.jsx
@@ -412,7 +412,7 @@ class PresentationArea extends PureComponent {
     };
 
     const svgViewBox = `${viewBoxPosition.x} ${viewBoxPosition.y} `
-      + `${viewBoxDimensions.width} ${viewBoxDimensions.height}`;
+      + `${viewBoxDimensions.width} ${Number.isNaN(viewBoxDimensions.height) ? 0 : viewBoxDimensions.height}`;
 
     return (
       <div
-- 
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