diff --git a/openstack_dashboard/templates/_header.html b/openstack_dashboard/templates/_header.html
index a2ec75223e..a5a7f7659a 100644
--- a/openstack_dashboard/templates/_header.html
+++ b/openstack_dashboard/templates/_header.html
@@ -21,7 +21,7 @@
     <div class="collapse navbar-collapse" id="navbar-collapse">
       <ul class="nav navbar-nav">
         <li class="dropdown">
-          <a href="#" class="dropdown-toggle" role="button" aria-expanded="false">
+          <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">
             {% show_overview %}
             <span class="fa fa-caret-down"></span>
           </a>
@@ -55,7 +55,7 @@
 
       <ul class="nav navbar-nav navbar-right">
         <li class="dropdown">
-          <a href="#" class="dropdown-toggle" role="button" aria-expanded="false">
+          <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">
             <span class="fa fa-user"></span>
             {{ request.user.username }}
             <span class="fa fa-caret-down"></span>