diff --git a/cave_data/1623-281.html b/cave_data/1623-281.html
index d04e22e65..b06ecf3ea 100644
--- a/cave_data/1623-281.html
+++ b/cave_data/1623-281.html
@@ -34,7 +34,7 @@
 <length></length>
 <depth></depth>
 <extent></extent>
-<survex_file>caves-1623/gruenstein/gruenstein.svx</survex_file><!-- Name of top-level survey file for this cave. Relative to the 'loser' survex repository. So for most caves that's "caves/cavenum/cavnum.svx". (e.g. caves/204/204.svx -->
+<survex_file>caves-1623/281/gruenstein.svx</survex_file><!-- Name of top-level survey file for this cave. Relative to the 'loser' survex repository. So for most caves that's "caves/cavenum/cavnum.svx". (e.g. caves/204/204.svx -->
 <description_file></description_file><!-- Path of top-level description file for this cave, when a separate file is used. Otherwise blank. -->
 <url>1623/281/281.html</url><!-- (Required). Relative URL of this cave. i.e the URL this cave appears at on the website, not including 'https://expo.survex.com/. Normally area/cavenum.html, e.g ('1623/165.html')-->