diff --git a/controllers/class.EditFolder.php b/controllers/class.EditFolder.php
index b3a3c572b..9f8aee5aa 100644
--- a/controllers/class.EditFolder.php
+++ b/controllers/class.EditFolder.php
@@ -54,6 +54,11 @@ class SeedDMS_Controller_EditFolder extends SeedDMS_Controller_Common {
 					$attrdef = $dms->getAttributeDefinition($attrdefid);
 					if(null === ($ret = $this->callHook('validateAttribute', $attrdef, $attribute))) {
 					if($attribute) {
+						switch($attrdef->getType()) {
+						case SeedDMS_Core_AttributeDefinition::type_date:
+							$attribute = date('Y-m-d', makeTsFromDate($attribute));
+							break;
+						}
 						if(!$attrdef->validate($attribute, $folder, true)) {
 							$this->errormsg	= getAttributeValidationText($attrdef->getValidationError(), $attrdef->getName(), $attribute);
 							return false;