diff --git a/hugo/config.toml b/hugo/config.toml
index d73c6c68eee37b1a1afe8431fc3ce4f7c011d8cd..47f1f5fa4ad33820a022adc86ba5acc3669f2b48 100644
--- a/hugo/config.toml
+++ b/hugo/config.toml
@@ -21,7 +21,8 @@ PygmentsStyle = "vs"
   url_userapi = "https://bornagainproject.org/ext/api/git-main/user-API"
   version_mm = "git-main"
   version_mmp = "1.19.79"
-  version_repo = "main"
+  # for links to source repository
+  repo_branch = "main"
   url_blob = "https://jugit.fz-juelich.de/mlz/bornagain/-/blob"
   recommended_python_major = "3"
   recommended_python_minor = "9"
diff --git a/hugo/layouts/shortcodes/highlightfile.html b/hugo/layouts/shortcodes/highlightfile.html
index 56e6927d2a0ddadca7da9bd0407f4c6fd077d8df..f9f276465644857a6b6e0e68ce8455a56a1a96ac 100644
--- a/hugo/layouts/shortcodes/highlightfile.html
+++ b/hugo/layouts/shortcodes/highlightfile.html
@@ -12,4 +12,4 @@ Argument 1 = File path below /src/
 {{ highlight (print $file) $lang $opt}}
 
 <a class="linktofile"
-   href="{{.Site.Params.url_blob}}/{{.Site.Params.version_repo}}/{{(printf $src)}}"/>{{$src}}</a>
+   href="{{.Site.Params.url_blob}}/{{.Site.Params.repo_branch}}/{{(printf $src)}}"/>{{$src}}</a>