diff --git a/htdocs/core/class/doleditor.class.php b/htdocs/core/class/doleditor.class.php
index 9256e08318c..d79999ccdcb 100644
--- a/htdocs/core/class/doleditor.class.php
+++ b/htdocs/core/class/doleditor.class.php
@@ -169,7 +169,8 @@ class DolEditor
             	//$skin='office2003';
             	//$skin='v2';
             	$skin='kama';
-            	
+                if (constant('JS_CKEDITOR')) $skin='moono';		// To use external ckeditor 4 js lib
+
             	if ($this->toolbarname=='dolibarr_mailings') {$htmlencode_force='true';}
             	else {$htmlencode_force='false';}
 
diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index f51cf7b6bd3..6427cf25fd5 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -1051,14 +1051,19 @@ function top_htmlhead($head, $title='', $disablejs=0, $disablehead=0, $arrayofjs
             {
                 print '<!-- Includes JS for CKEditor -->'."\n";
                 $pathckeditor=DOL_URL_ROOT.'/includes/ckeditor/';
-                if (constant('JS_CKEDITOR')) $pathckeditor=JS_CKEDITOR;    // To use external ckeditor js lib
+                $jsckeditor='ckeditor_basic.js';
+                if (constant('JS_CKEDITOR'))	// To use external ckeditor 4 js lib
+                {
+                	$pathckeditor=constant('JS_CKEDITOR');
+                	$jsckeditor='ckeditor.js';
+                }
                 print '<script type="text/javascript">';
                 print 'var CKEDITOR_BASEPATH = \''.$pathckeditor.'\';'."\n";
                 print 'var ckeditorConfig = \''.dol_buildpath('/theme/'.$conf->theme.'/ckeditor/config.js',1).'\';'."\n";
                 print 'var ckeditorFilebrowserBrowseUrl = \''.DOL_URL_ROOT.'/core/filemanagerdol/browser/default/browser.php?Connector='.DOL_URL_ROOT.'/core/filemanagerdol/connectors/php/connector.php\';'."\n";
                 print 'var ckeditorFilebrowserImageBrowseUrl = \''.DOL_URL_ROOT.'/core/filemanagerdol/browser/default/browser.php?Type=Image&Connector='.DOL_URL_ROOT.'/core/filemanagerdol/connectors/php/connector.php\';'."\n";
                 print '</script>'."\n";
-                print '<script type="text/javascript" src="'.$pathckeditor.'ckeditor_basic.js"></script>'."\n";
+                print '<script type="text/javascript" src="'.$pathckeditor.$jsckeditor.'"></script>'."\n";
             }
             // jQuery Timepicker
             if (! empty($conf->global->MAIN_USE_JQUERY_TIMEPICKER) || defined('REQUIRE_JQUERY_TIMEPICKER'))