diff --git a/htdocs/core/tpl/extrafields_list_print_fields.tpl.php b/htdocs/core/tpl/extrafields_list_print_fields.tpl.php
index 2576873a2c5..e59f50501ab 100644
--- a/htdocs/core/tpl/extrafields_list_print_fields.tpl.php
+++ b/htdocs/core/tpl/extrafields_list_print_fields.tpl.php
@@ -25,7 +25,12 @@ if (! empty($extrafieldsobjectkey))	// $extrafieldsobject is the $object->table_
 				$tmpkey='options_'.$key;
 				if (in_array($extrafields->attributes[$extrafieldsobjectkey]['type'][$key], array('date', 'datetime', 'timestamp')))
 				{
-					$value = $db->jdate($obj->$tmpkey);
+					$datenotinstring = $obj->$tmpkey;
+					if (! is_numeric($obj->$tmpkey))	// For backward compatibility
+					{
+						$datenotinstring = $db->jdate($datenotinstring);
+					}
+					$value = $datenotinstring;
 				}
 				else
 				{
diff --git a/htdocs/resource/list.php b/htdocs/resource/list.php
index 947479e62b3..6d3abfd84a7 100644
--- a/htdocs/resource/list.php
+++ b/htdocs/resource/list.php
@@ -265,6 +265,7 @@ if ($ret)
 	        if (! $i) $totalarray['nbfield']++;
         }
         // Extra fields
+        $obj = (Object) $resource->array_options;
         include DOL_DOCUMENT_ROOT.'/core/tpl/extrafields_list_print_fields.tpl.php';
 
         print '<td align="center">';