diff --git a/stylesheets/_session.scss b/stylesheets/_session.scss
index fa08eba19..ca78ab1e4 100644
--- a/stylesheets/_session.scss
+++ b/stylesheets/_session.scss
@@ -827,3 +827,7 @@ label {
     }
   }
 }
+
+.messages li {
+  transition: $session-transition-duration !important;
+}