diff --git a/css/emoji-mart.css b/css/emoji-mart.css
index b389c34..bbe7881 100644
--- a/css/emoji-mart.css
+++ b/css/emoji-mart.css
@@ -79,6 +79,7 @@
   overflow-y: scroll;
   height: 270px;
   padding: 0 6px 6px 6px;
+  will-change: transform; /* avoids "repaints on scroll" in mobile Chrome */
 }
 
 .emoji-mart-search {