diff --git a/build_frontmatter.py b/build_frontmatter.py
index eef6bb9..8183311 100644
--- a/build_frontmatter.py
+++ b/build_frontmatter.py
@@ -290,7 +290,8 @@ def which_publisher(series):
         base_url = "http://edition-open-sources.org"
         publisher_name = "Edition Open Sources"
     else:
-        base_url = "http://edition-open-access.de"
+        base_url = "http://mprl-series.mpg.de"
+        # base_url = "http://edition-open-access.de"
         publisher_name = r"Max Planck Research Library for the History and Development of Knowledge"
 
     return base_url, publisher_name