diff --git a/build-site.el b/build-site.el
old mode 100644
new mode 100755
index 35612a2..8b42d85
--- a/build-site.el
+++ b/build-site.el
@@ -20,6 +20,7 @@
 
 ;; Install packages needed for HTML export
 
+(package-install 'compat)
 (package-install 'htmlize)
 (package-install 'reformatter)
 (package-install 'nix-mode)