diff --git a/include/class.dynamic_forms.php b/include/class.dynamic_forms.php
index a52990e5ab0152859b1ed1d5651566a9b878e729..21324cbbd5826e171ba32e4d5b7be31b746275c9 100644
--- a/include/class.dynamic_forms.php
+++ b/include/class.dynamic_forms.php
@@ -537,7 +537,7 @@ class DynamicFormEntry extends VerySimpleModel {
             if ($field->hasData() && !$field->isPresentationOnly())
                 $a->save();
         }
-        $this->_values = array();
+        $this->_values = null;
     }
 
     function delete() {