diff --git a/modules/poll/poll.css b/modules/poll/poll.css
index bc8ddd73fa8..a76cd19080d 100644
--- a/modules/poll/poll.css
+++ b/modules/poll/poll.css
@@ -1,5 +1,8 @@
 /* $Id$ */
 
+.poll {
+  overflow: hidden;
+}
 .poll .bar {
   height: 1em;
   margin: 1px 0;