diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index 697b2ab9ab9..b0f4585d888 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -1126,6 +1126,11 @@ function top_htmlhead($head, $title='', $disablejs=0, $disablehead=0, $arrayofjs
             else print '<script type="text/javascript" src="'.DOL_URL_ROOT.'/includes/jquery/js/jquery-ui.min.js'.($ext?'?'.$ext:'').'"></script>'."\n";
             print '<script type="text/javascript" src="'.DOL_URL_ROOT.'/includes/jquery/plugins/tablednd/jquery.tablednd.0.6.min.js'.($ext?'?'.$ext:'').'"></script>'."\n";
             print '<script type="text/javascript" src="'.DOL_URL_ROOT.'/includes/jquery/plugins/tiptip/jquery.tipTip.min.js'.($ext?'?'.$ext:'').'"></script>'."\n";
+            // jQuery Layout (still used by ECM module)
+            if (defined('REQUIRE_JQUERY_LAYOUT'))
+            {
+                print '<script type="text/javascript" src="'.DOL_URL_ROOT.'/includes/jquery/plugins/layout/jquery.layout.min.js'.($ext?'?'.$ext:'').'"></script>'."\n";
+            }
             // jQuery jnotify
             if (empty($conf->global->MAIN_DISABLE_JQUERY_JNOTIFY) && ! defined('DISABLE_JQUERY_JNOTIFY'))
             {