diff --git a/main-index.shtml b/main-index.shtml
index e91332731..3f4d6deda 100644
--- a/main-index.shtml
+++ b/main-index.shtml
@@ -31,7 +31,7 @@ href="pubs.htm">Publications index</a>, as are the log book accounts.
 <li><a href="geolog.htm">Geological outline</a>
 <li>Expedition <a href="handbook/index.htm">Handbook</a>
 <li><a href="tcamps.htm">High camps</a> used by CUCC
-<li>The Expo <a href="index.htm">Home page</a>
+<li>The Expo <a href="index.shtml">Home page</a>
 <li><a href="dclaim.htm">Independent visitors' info</a>
 <li><a href="intro.shtml">Introduction</a>
 <li><b>Kaninchenh&ouml;hle</b>