diff --git a/rhodecode/templates/repo_switcher_list.html b/rhodecode/templates/repo_switcher_list.html
--- a/rhodecode/templates/repo_switcher_list.html
+++ b/rhodecode/templates/repo_switcher_list.html
@@ -1,7 +1,7 @@
 ## -*- coding: utf-8 -*-
 
 <li class="qfilter_rs">
-    <input type="text" style="border:0" value="${_('quick filter...')}" name="filter" size="20" id="q_filter_rs" />
+    <input type="text" style="border:0;width:100%" value="${_('quick filter...')}" name="filter" id="q_filter_rs" />
 </li>
 
 %for repo in c.repos_list: