diff --git a/interface/lib/classes/tform_base.inc.php b/interface/lib/classes/tform_base.inc.php
index 8cf4de5cdf3e401f7243e8a62c8bc8a6e7d00999..b80aa72f51622ced7b9d568be0200b866df9ec72 100644
--- a/interface/lib/classes/tform_base.inc.php
+++ b/interface/lib/classes/tform_base.inc.php
@@ -166,6 +166,7 @@ class tform_base {
 		* @return record
 		*/
 		protected function _decode($record, $tab = '', $api = false) {
+            global $app;
 				$new_record = '';
 				if($api == false) {
 					$table_idx = $this->formDef['db_table_idx'];