diff --git a/themes/tiddlywiki/vanilla/options.multids b/themes/tiddlywiki/vanilla/options.multids
index 036092379..d06b052aa 100644
--- a/themes/tiddlywiki/vanilla/options.multids
+++ b/themes/tiddlywiki/vanilla/options.multids
@@ -1,4 +1,4 @@
 title: $:/themes/tiddlywiki/vanilla/options/
 
 stickytitles: no
-sidebarlayout: fixed-fluid
+sidebarlayout: fluid-fixed