Index: /mods/mod_gutschein/wpsg_voucher.php
===================================================================
--- /mods/mod_gutschein/wpsg_voucher.php	(revision 8436)
+++ /mods/mod_gutschein/wpsg_voucher.php	(revision 8437)
@@ -146,5 +146,5 @@
 				if (!$this->isMultiUsable() && $this->getUsed() > 0) return false;
 				if ($this->getFreeAmount() <= 0) return false;
-				
+				if (foreach($this->shop->basket->getProductIDs()  )  !== ) return false;
 	        }