diff --git a/copyparty/web/ui.css b/copyparty/web/ui.css
index 7181bbab..a20b5074 100644
--- a/copyparty/web/ui.css
+++ b/copyparty/web/ui.css
@@ -322,6 +322,7 @@ html.y #tth {
 	margin: .1em auto;
 	width: 60%;
 	height: 60%;
+	max-height: 22em;
 	background: #999;
 	background: rgba(128,128,128,0.2);
 }