diff --git a/docs/tools/buildkit.md b/docs/tools/buildkit.md
index 9304bddc21b8a8aa62758c436c9f6812adb8100e..c522ddd88eecb03e6e72fb99ff0318771e9d2603 100644
--- a/docs/tools/buildkit.md
+++ b/docs/tools/buildkit.md
@@ -178,6 +178,13 @@ Nodejs problems
     npm install fs-extra
     ```
 
+If you find that when you try and login to a new buildkit build or similar and it doesn't seem to login just redirects to the same page. This may mean that the rewrite module for apache is not enabled. To enable it do the following
+
+```bash
+sudo a2enmod rewrite
+sudo service apache2 or apache or httpd restart
+```
+
 ## Upgrading buildkit {:#upgrading}
 
 New versions of buildkit are likely to include new versions of tools. The new tools will download automatically when you first run `civibuild`. If you prefer to download explicitly, then re-run `civi-download-tools`.