diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index 9b51916cee1..9057ae085bd 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -889,7 +889,7 @@ function top_htmlhead($head, $title='', $disablejs=0, $disablehead=0, $arrayofjs
             {
                 print '<link rel="stylesheet" type="text/css" href="'.DOL_URL_ROOT.'/includes/jquery/plugins/fileupload/css/jquery.fileupload-ui.css" />'."\n";
             }
-            if (! empty($conf->global->MAIN_USE_JQUERY_DATATABLES))     // jQuery datatables
+            if (! empty($conf->global->MAIN_USE_JQUERY_DATATABLES) || (defined('REQUIRE_JQUERY_DATATABLES') && constant('REQUIRE_JQUERY_DATATABLES')))     // jQuery datatables
             {
                 //print '<link rel="stylesheet" type="text/css" href="'.DOL_URL_ROOT.'/includes/jquery/plugins/datatables/css/jquery.dataTables.css" />'."\n";
                 print '<link rel="stylesheet" type="text/css" href="'.DOL_URL_ROOT.'/includes/jquery/plugins/datatables/css/jquery.dataTables_jui.css" />'."\n";
@@ -898,7 +898,7 @@ function top_htmlhead($head, $title='', $disablejs=0, $disablehead=0, $arrayofjs
                 //print '<link rel="stylesheet" type="text/css" href="'.DOL_URL_ROOT.'/includes/jquery/plugins/datatables/extras/ColVis/css/ColVisAlt.css" />'."\n";
                 print '<link rel="stylesheet" type="text/css" href="'.DOL_URL_ROOT.'/includes/jquery/plugins/datatables/extras/TableTools/css/TableTools.css" />'."\n";
             }
-            if (! empty($conf->global->MAIN_USE_JQUERY_MULTISELECT))     // jQuery multiselect
+            if (! empty($conf->global->MAIN_USE_JQUERY_MULTISELECT) || (defined('REQUIRE_JQUERY_MULTISELECT') && constant('REQUIRE_JQUERY_MULTISELECT')))     // jQuery multiselect
             {
             	print '<link rel="stylesheet" type="text/css" href="'.DOL_URL_ROOT.'/includes/jquery/plugins/multiselect/css/ui.multiselect.css" />'."\n";
             }
@@ -1032,7 +1032,7 @@ function top_htmlhead($head, $title='', $disablejs=0, $disablehead=0, $arrayofjs
                 print '<!--[if gte IE 8]><script type="text/javascript" src="'.DOL_URL_ROOT.'/includes/jquery/plugins/fileupload/js/cors/jquery.xdr-transport.js"></script><![endif]-->'."\n";
             }
             // jQuery DataTables
-            if (! empty($conf->global->MAIN_USE_JQUERY_DATATABLES))
+            if (! empty($conf->global->MAIN_USE_JQUERY_DATATABLES) || (defined('REQUIRE_JQUERY_DATATABLES') && constant('REQUIRE_JQUERY_DATATABLES')))
             {
                 print '<script type="text/javascript" src="'.DOL_URL_ROOT.'/includes/jquery/plugins/datatables/js/jquery.dataTables.min'.$ext.'"></script>'."\n";
                 print '<script type="text/javascript" src="'.DOL_URL_ROOT.'/includes/jquery/plugins/datatables/extras/ColReorder/js/ColReorder.min'.$ext.'"></script>'."\n";
@@ -1040,7 +1040,7 @@ function top_htmlhead($head, $title='', $disablejs=0, $disablehead=0, $arrayofjs
                 print '<script type="text/javascript" src="'.DOL_URL_ROOT.'/includes/jquery/plugins/datatables/extras/TableTools/js/TableTools.min'.$ext.'"></script>'."\n";
             }
             // jQuery Multiselect
-            if (! empty($conf->global->MAIN_USE_JQUERY_MULTISELECT))
+            if (! empty($conf->global->MAIN_USE_JQUERY_MULTISELECT) || (defined('REQUIRE_JQUERY_MULTISELECT') && constant('REQUIRE_JQUERY_MULTISELECT')))
             {
             	print '<script type="text/javascript" src="'.DOL_URL_ROOT.'/includes/jquery/plugins/multiselect/js/ui.multiselect.js"></script>'."\n";
             }