diff --git a/koha-tmpl/intranet-tmpl/prog/en/css/staff-global.css b/koha-tmpl/intranet-tmpl/prog/en/css/staff-global.css
index abd8814183..a684236433 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/css/staff-global.css
+++ b/koha-tmpl/intranet-tmpl/prog/en/css/staff-global.css
@@ -171,13 +171,23 @@ ol li {
 	background-color : #F3F3F3;
 	border-bottom : 1px solid #E8E8E8;
 	line-height : 2em;
-	overflow : auto;
 }
 
-*html #header {
-	display : inline-block;
+.clearfix:after {
+    content: ".";
+    display: block;
+    height: 0;
+    clear: both;
+    visibility: hidden;
 }
 
+.clearfix {display: inline-block;}
+
+/* Hides from IE-mac \*/
+* html .clearfix {height: 1%;}
+.clearfix {display: block;}
+/* End hide from IE-mac */
+
 #sitetitle {
 /*	background-image : url("../../img/koha-logo-black.png");
 	background-position : 5px 2px;
diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/header.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/header.inc
index 474b6ca39d..6af5f00499 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/header.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/header.inc
@@ -1,4 +1,4 @@
-<div id="header">
+<div id="header" class="clearfix">
 
 <div id="toplevelnav">
 <ul id="toplevelmenu">