diff --git a/pages/UI.php b/pages/UI.php
index 95f588f9a..883140f1d 100644
--- a/pages/UI.php
+++ b/pages/UI.php
@@ -1373,7 +1373,10 @@ EOF
 			if (!empty($sStateAttCode))
 			{
 				$sTargetState = utils::ReadPostedParam('obj_state', '');
-				$oObj->Set($sStateAttCode, $sTargetState);
+				if ($sTargetState != '')
+				{
+					$oObj->Set($sStateAttCode, $sTargetState);
+				}
 			}
 			$oObj->UpdateObjectFromPostedForm();
 		}