diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index e95eac4ac06..718c6372481 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -1921,7 +1921,7 @@ class Form
 	 * 	@return	string							HTML select string
 	 *  @see select_dolgroups()
 	 */
-	public function select_dolusers($selected = '', $htmlname = 'userid', $show_empty = 0, $exclude = null, $disabled = 0, $include = '', $enableonly = '', $force_entity = '0', $maxlength = 0, $showstatus = 0, $morefilter = '', $show_every = 0, $enableonlytext = '', $morecss = '', $noactive = 0, $outputmode = 0, $multiple = false)
+	public function select_dolusers($selected = '', $htmlname = 'userid', $show_empty = 0, $exclude = null, $disabled = 0, $include = '', $enableonly = '', $force_entity = '0', $maxlength = 0, $showstatus = 0, $morefilter = '', $show_every = 0, $enableonlytext = '', $morecss = '', $noactive = 0, $outputmode = 0, $multiple = false, $forcecombo = 0)
 	{
 		// phpcs:enable
 		global $conf, $user, $langs, $hookmanager;
@@ -2124,7 +2124,7 @@ class Form
 			}
 			$out .= '</select>';
 
-			if ($num) {
+			if ($num && !$forcecombo) {
 				// Enhance with select2
 				include_once DOL_DOCUMENT_ROOT.'/core/lib/ajax.lib.php';
 				$out .= ajax_combobox($htmlname);