diff --git a/src/skins/vector/css/common.css b/src/skins/vector/css/common.css
index b68b5813..9eb67c3c 100644
--- a/src/skins/vector/css/common.css
+++ b/src/skins/vector/css/common.css
@@ -154,7 +154,7 @@ input[type=text]:focus, textarea:focus {
     max-width: 704px;
     box-shadow: 0 1px 0 0 rgba(0, 0, 0, 0.2);
     max-height: 80%;
-    overflow-y: scroll;
+    overflow-y: auto;
 }
 
 .mx_Dialog_background {