diff --git a/content/_data/planetcccs-blogroll.yaml b/content/_data/planetcccs-blogroll.yaml
index d3410917..c9744483 100644
--- a/content/_data/planetcccs-blogroll.yaml
+++ b/content/_data/planetcccs-blogroll.yaml
@@ -4,7 +4,7 @@ blogroll:
     feed: https://stefan.ploing.de/atom.xml
   -
     user: princess
-    feed: http://blog.querulantin.de/serendipity/index.php?/feeds/index.atom
+    feed: http://blog.querulantin.de/serendipity/index.php?/feeds/index.rss2
   -
     user: Rince
     feed: http://blog.rince.de/feeds/index.rss2