diff --git a/hyperbook/book/spiele/index.md b/hyperbook/book/spiele/index.md
index 8abed6a4..f2550000 100644
--- a/hyperbook/book/spiele/index.md
+++ b/hyperbook/book/spiele/index.md
@@ -1,5 +1,6 @@
 ---
 name: Spiele
 index: 1
+expanded: true
 virtual: true
 ---