diff --git a/ext/bg/context.html b/ext/bg/context.html
index a42faa7a..51346838 100644
--- a/ext/bg/context.html
+++ b/ext/bg/context.html
@@ -24,9 +24,9 @@
             <input type="checkbox" id="enable-search">
         </div>
         <div class="btn-group">
-            <button type="button" id="open-search" title="Search (Alt + Insert)" class="btn btn-default btn-xs glyphicon glyphicon-search"></button>
-            <button type="button" id="open-options" title="Options" class="btn btn-default btn-xs glyphicon glyphicon-wrench"></button>
-            <button type="button" id="open-help" title="Help" class="btn btn-default btn-xs glyphicon glyphicon-question-sign"></button>
+            <button type="button" id="open-search" title="Search (Alt + Insert)" class="btn btn-default btn-xs"><span class="glyphicon glyphicon-search"></span></button>
+            <button type="button" id="open-options" title="Options" class="btn btn-default btn-xs"><span class="glyphicon glyphicon-wrench"></span></button>
+            <button type="button" id="open-help" title="Help" class="btn btn-default btn-xs"><span class="glyphicon glyphicon-question-sign"></span></button>
         </div>
 
         <script src="/mixed/lib/jquery.min.js"></script>