diff --git a/brewman/brewman/views/services/voucher/issue.py b/brewman/brewman/views/services/voucher/issue.py
index e4f88483..c091f53e 100644
--- a/brewman/brewman/views/services/voucher/issue.py
+++ b/brewman/brewman/views/services/voucher/issue.py
@@ -41,8 +41,8 @@ def issue_create_inventory(voucher, item, batch_consumed):
         raise ValidationError("Quantity of {0} cannot be zero".format(item.product.name))
     if batch_consumed == True and quantity > batch.quantity_remaining:
         raise ValidationError("Quantity available is {0} only".format(batch.quantity_remaining))
-    if batch.name < voucher.date:
-        raise ValidationError("Batch of {0} was purchased after the issue date".format(item.product.name))
+    if batch.name > voucher.date:
+        raise ValidationError("Batch of {0} was purchased after the issue date".format(batch.product.name))
     if batch_consumed is None:
         pass
     elif batch_consumed: