diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index ee87426ddcb..8ecae833805 100644
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -1928,8 +1928,8 @@ class ExtraFields
 			foreach ($extralabels as $key => $value)
 			{
 				$key_type=$this->attribute_type[$key];
-				if (! empty($object->table_element)) {
-					$key_type=$this->attributes[$extrafieldsobjectkey]['type'][$key];
+				if (! empty($object->table_element) && is_array($this->attributes) && array_key_exists($object->table_element, $this->attributes)) {
+					$key_type=$this->attributes[$object->table_element]['type'][$key];
 				}
 
 				if (in_array($key_type,array('date','datetime')))