diff --git a/pkgdown/extra.css b/pkgdown/extra.css
index 29cdfa04b..a626402b0 100644
--- a/pkgdown/extra.css
+++ b/pkgdown/extra.css
@@ -1,4 +1,4 @@
 table.ref-index{
-    overflow-x: auto;
-    overflow-y: visible;
+    overflow-x: visible;
+    overflow-y: auto;
 }