diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index b3c257bfaaa..5b171d70bfb 100644
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -1830,7 +1830,7 @@ class ExtraFields
 	function setOptionalsFromPost($extralabels, &$object, $onlykey='')
 	{
 		global $_POST, $langs;
-		$nofillrequired='';// For error when required field left blank
+		$nofillrequired=0;// For error when required field left blank
 		$error_field_required = array();
 
 		if (is_array($this->attributes[$object->table_element]['label'])) $extralabels=$this->attributes[$object->table_element]['label'];
@@ -1861,8 +1861,9 @@ class ExtraFields
 				if ($this->attributes[$object->table_element]['required'][$key])	// Value is required
 				{
 					// Check if empty without using GETPOST, value can be alpha, int, array, etc...
-					if ((! is_array($_POST["options_".$key]) && empty($_POST["options_".$key]) && $_POST["options_".$key] != '0')
-						|| (is_array($_POST["options_".$key]) && empty($_POST["options_".$key])))
+				    if ((! is_array($_POST["options_".$key]) && empty($_POST["options_".$key]) && $this->attributes[$object->table_element]['type'][$key] != 'select' && $_POST["options_".$key] != '0')
+				        || (! is_array($_POST["options_".$key]) && empty($_POST["options_".$key]) && $this->attributes[$object->table_element]['type'][$key] == 'select')
+				        || (is_array($_POST["options_".$key]) && empty($_POST["options_".$key])))
 					{
 						//print 'ccc'.$value.'-'.$this->attributes[$object->table_element]['required'][$key];
 						$nofillrequired++;