diff --git a/assets/css/_variables.scss b/assets/css/_variables.scss
index 915753d94..cfb969770 100644
--- a/assets/css/_variables.scss
+++ b/assets/css/_variables.scss
@@ -163,6 +163,7 @@ $code-type-list:
   "language-perl" "Perl",
   "language-powershell" "PowerShell",
   "language-posh" "PowerShell",
+  "language-puppet" "Puppet",
   "language-pwsh" "PowerShell",
   "language-python" "Python",
   "language-r" "R",