diff --git a/README.md b/README.md
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@@ -85,7 +85,7 @@ Before the first interval (i.e. by default within the first 24h) it is implied t
 
 ## Exclusion file
 
-An optional exclude file can be provided as a third parameter. It should be compatible with the `--exclude-from` parameter of rsync. See [this tutorial](https://sites.google.com/site/rsync2u/home/rsync-tutorial/the-exclude-from-option) for more information.
+An optional exclude file can be provided as a third parameter. It should be compatible with the `--exclude-from` parameter of rsync. See [this tutorial](https://web.archive.org/web/20230126121643/https://sites.google.com/site/rsync2u/home/rsync-tutorial/the-exclude-from-option) for more information.
 
 ## Built-in lock