diff --git a/content/ws23/_index.md b/content/ws23/_index.md
index d80beeba0..21c0dc9ee 100644
--- a/content/ws23/_index.md
+++ b/content/ws23/_index.md
@@ -2,4 +2,5 @@
 title = "ws23"
 full_title = "Winter semester 2023"
 layout = "projects_list"
+category = "project-archive"
 +++