diff --git a/src/prettier/install.sh b/src/prettier/install.sh
index b610038..9e6ed67 100644
--- a/src/prettier/install.sh
+++ b/src/prettier/install.sh
@@ -4,4 +4,6 @@ npm install -g prettier@$VERSION
 
 # Prettier plugins are expected to be installed locally, not globally
 # In particular, VSCode + extensions tend to have issues with this
-[[ -n $PLUGINS ]] && npm install -D $PLUGINS
+if [[ -n $PLUGINS ]]; then
+  npm install -D $PLUGINS
+fi