Index: trunk/core/units/general/cat_dbitem.php
===================================================================
diff -u -N -r8363 -r8546
--- trunk/core/units/general/cat_dbitem.php	(.../cat_dbitem.php)	(revision 8363)
+++ trunk/core/units/general/cat_dbitem.php	(.../cat_dbitem.php)	(revision 8546)
@@ -51,7 +51,11 @@
 		$this->UpdateFormattersSubFields(array('Modified'));
 
 		if ($this->mode != 't' && !$this->Application->IsAdmin()) {
-			$this->SetDBField('CreatedById', $this->Application->RecallVar('user_id'));
+			$owner_field = $this->Application->getUnitOption($this->Prefix, 'OwnerField');
+			if (!$owner_field) {
+				$owner_field = 'CreatedById';
+			}
+			$this->SetDBField($owner_field, $this->Application->RecallVar('user_id'));
 		}
 
 		if ($this->useFilenames) {