diff --git a/core/attributedef.class.inc.php b/core/attributedef.class.inc.php
index 54efaa12a..95553ff6f 100644
--- a/core/attributedef.class.inc.php
+++ b/core/attributedef.class.inc.php
@@ -6022,6 +6022,9 @@ class AttributeDateTime extends AttributeDBField
 
 	public function GetDefaultValue(DBObject $oHostObject = null)
 	{
+		if (!$this->IsNullAllowed()) {
+			return date($this->GetInternalFormat());
+		}
 		return $this->GetNullValue();
 	}