diff --git a/build.sh b/build.sh
index 80866ec..64b2bf0 100755
--- a/build.sh
+++ b/build.sh
@@ -2,10 +2,7 @@
 set -ex
 
 rm -fr public
-nix shell nixpkgs#zola -c zola build
-nix shell nixpkgs#nodejs_20 -c npm install
-nix shell nixpkgs#nodejs_20 -c npm run abridge
-nix shell nixpkgs#zola -c zola build
+nix shell nixpkgs#zola nixpkgs#nodejs_20 -c sh -c 'zola build && npm install && npm run abridge'
 find public -type f -regextype posix-extended -regex '.*\.(htm|html|css|js|xml|xsl|txt|woff|woff2|svg|otf|eot|ttf)' -exec gzip --best -k -f {} \;
 rsync -a --delete-after public/ /var/www/harald.hoyer.xyz/html/
 chmod go-w -R /var/www/harald.hoyer.xyz/