diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index 139c5eb17a..e19c05fb90 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -2789,7 +2789,7 @@ table .span24 {
           border-radius: 0 6px 6px 6px;
 }
 
-.dropdown-submenu:hover .dropdown-menu {
+.dropdown-submenu:hover > .dropdown-menu {
   display: block;
 }
 
diff --git a/less/dropdowns.less b/less/dropdowns.less
index af8e4cb307..390c374974 100644
--- a/less/dropdowns.less
+++ b/less/dropdowns.less
@@ -172,7 +172,7 @@
      -moz-border-radius: 0 6px 6px 6px;
           border-radius: 0 6px 6px 6px;
 }
-.dropdown-submenu:hover .dropdown-menu {
+.dropdown-submenu:hover > .dropdown-menu {
   display: block;
 }