diff --git a/book.json b/book.json
index c7af59ed..3ad89f06 100644
--- a/book.json
+++ b/book.json
@@ -1,3 +1,5 @@
 {
-    "structure.readme": "Home"
+    "structure": {
+        "readme": "Home.md"
+    }
 }
\ No newline at end of file