1 files changed, 2 insertions, 2 deletions
diff --git a/talermerchantdemos/blog/blog.py b/talermerchantdemos/blog/blog.py
index c257eb8..02e4742 100644
--- a/talermerchantdemos/blog/blog.py
+++ b/talermerchantdemos/blog/blog.py
@@ -414,14 +414,14 @@ def article(article_name, lang=None, data=None):
         "order_id",
         order_id,
         path=urllib.parse.quote(
-            flask.request.environ["SCRIPT_NAME"] + f"/essay/{article_name}"
+            flask.request.environ.get("SCRIPT_NAME", "") + f"/essay/{article_name}"
         )
     )
     response.set_cookie(
         "order_id",
         order_id,
         path=urllib.parse.quote(
-            flask.request.environ["SCRIPT_NAME"] + f"/{lang}/essay/{article_name}"
+            flask.request.environ.get("SCRIPT_NAME", "") + f"/{lang}/essay/{article_name}"
         )
     )
     return response