diff --git a/handbook/survey/gps.htm b/handbook/survey/gps.htm
index e0a9f1271..2b486bb05 100644
--- a/handbook/survey/gps.htm
+++ b/handbook/survey/gps.htm
@@ -58,6 +58,5 @@ on coordinate systems</a> has been moved to a different page. If you are really
 <a href="coord.htm">Olaf's article</a>too.
 
 <hr />
-<a href="newcave.htm">Next survey guide page - 'Base Camp: getting it in to the computer'</a>
-</body>
+<a href="newcave.html">Next survey guide page - 'Base Camp: getting it in to the computer'</a></body>
 </html>