diff --git a/plugins/libkolab/skins/elastic/libkolab.less b/plugins/libkolab/skins/elastic/libkolab.less
index d41e3ec6..a32e64b5 100644
--- a/plugins/libkolab/skins/elastic/libkolab.less
+++ b/plugins/libkolab/skins/elastic/libkolab.less
@@ -319,8 +319,9 @@ a.history {
 
 // E.g. notes preview frame
 .watermark {
-    background: url("@{skin-path}/images/logo.svg") center no-repeat;
-    background-size: 30% auto;
+    background: url("@{skin-path}/images/logo.svg") center no-repeat #fff;
+    background-size: 30%;
+    background-blend-mode: luminosity;
     width: 100%;
     height: 100%;