diff --git a/internal_packages/message-list/stylesheets/message-list.less b/internal_packages/message-list/stylesheets/message-list.less
index 8ac5155f3..b2281c0a1 100644
--- a/internal_packages/message-list/stylesheets/message-list.less
+++ b/internal_packages/message-list/stylesheets/message-list.less
@@ -54,6 +54,7 @@
   color: @text-color-subtle;
   margin-left: @spacing-standard;
   cursor:default;
+  -webkit-user-select: none;
   .img-wrap {
     margin-right: @spacing-half;
     position: relative;