diff --git a/client-barcode/freitagslib/network.py b/client-barcode/freitagslib/network.py
index 280ee56..fad5a0f 100644
--- a/client-barcode/freitagslib/network.py
+++ b/client-barcode/freitagslib/network.py
@@ -54,7 +54,7 @@ def get_user_name_from_auth_blob(authblob):
 def buy_item(item_id, with_deposit, user_name):
 	require_type(int, item_id)
 
-	deposit = 0  ## TODO 1 if with_deposit else 0
+	deposit = 1 if with_deposit else 0
 	content = _request('buyable/item/' + urllib.quote(str(item_id)),
 			{'user':user_name, 'deposit':deposit, 'amount':1}, method='POST')
 	if content != 'Created':