diff --git a/sane-frontends.html b/sane-frontends.html
index 620876bf..a0475430 100644
--- a/sane-frontends.html
+++ b/sane-frontends.html
@@ -251,7 +251,7 @@
 	<strong>MacOS X</strong>
 	<ul>
 	  <li>
-	    <a href="http://www.ellert.se/twain-sane/" target="_top">TWAIN SANE Interface for MacOS X</a>:
+	    <a href="https://web.archive.org/web/20210807013025/http://www.ellert.se/twain-sane/" target="_top">TWAIN SANE Interface for MacOS X</a>:
 	    This is a TWAIN datasource for MacOS X that aquires images using the SANE backend libraries.
 	  </li>
 	  <li>
diff --git a/source.html b/source.html
index 321140b1..b6997411 100644
--- a/source.html
+++ b/source.html
@@ -97,7 +97,7 @@
     <ul>
       <li>
 	Mattias Ellert's <a
-	href="http://www.ellert.se/twain-sane/">binary installer packages</a> of
+	href="https://web.archive.org/web/20210807013025/http://www.ellert.se/twain-sane/">binary installer packages</a> of
 	sane-backends, the TWAIN SANE interface and related software
       </li>
     </ul>