From c1ba08cfc621b318e430e04ba2c349628bae8a31 Mon Sep 17 00:00:00 2001
From: yflory <yann.flory@xwiki.com>
Date: Tue, 7 Nov 2017 15:04:45 +0100
Subject: [PATCH] Make sure thumbnails are .png

---
 www/common/common-thumbnail.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/www/common/common-thumbnail.js b/www/common/common-thumbnail.js
index 6ec60d063..6c561e52a 100644
--- a/www/common/common-thumbnail.js
+++ b/www/common/common-thumbnail.js
@@ -232,7 +232,7 @@ define([
 
     var addThumbnail = function (err, thumb, $span, cb) {
         var img = new Image();
-        img.src = thumb.slice(0,5) === 'data:' ? thumb : 'data:;base64,'+thumb;
+        img.src = thumb.slice(0,5) === 'data:' ? thumb : 'data:image/png;base64,'+thumb;
         $span.find('.cp-icon').hide();
         $span.prepend(img);
         cb($(img));