diff --git a/links.htm b/links.htm
index fb3b851d6..97f88f844 100644
--- a/links.htm
+++ b/links.htm
@@ -41,7 +41,7 @@ expeditions as a guest club, and also independently in 1989 and 1990 (we
 believe; these last two trips were clandestine, and records are unsurprisingly
 rather sparse.)</li>
 
-<li><a href="https://hoehle.org/">The Austrian Speleological Association</a> 
+<li><a href="http://hoehle.org/">The Austrian Speleological Association</a> 
 Verband &Ouml;sterreichischer H&ouml;hlenforscher) is the national organisation.
 
 </ul>