diff --git a/lingo/views.py b/lingo/views.py
index 009d7f8..5e85166 100644
--- a/lingo/views.py
+++ b/lingo/views.py
@@ -184,9 +184,9 @@ class CallbackView(View):
             except:
                 # ignore errors, it will be retried later on if it fails
                 pass
-
-        for item in transaction.remote_items.split(','):
-            regie.pay_item(request, item)
+        if transaction.remote_items:
+            for item in transaction.remote_items.split(','):
+                regie.pay_item(request, item)
 
         return HttpResponse()