Index: trunk/kernel/include/itemdb.php
===================================================================
diff -u -N -r1004 -r1022
--- trunk/kernel/include/itemdb.php	(.../itemdb.php)	(revision 1004)
+++ trunk/kernel/include/itemdb.php	(.../itemdb.php)	(revision 1022)
@@ -496,7 +496,7 @@
   {	
       global $Errors;
 
-      $sql = "Update ".$this->tablename." set $field=$field-1 where ".$this->IdField()."=" . $this->UniqueId();
+      $sql = "Update ".$this->tablename." set $field=$field-1 where ".$this->IdField()."=" .(int)$this->UniqueId();
       if($this->debuglevel>0)
           echo $sql;
       $result = $this->adodbConnection->Execute($sql);