diff --git a/node-16.15.0-0.build.sh b/node-16.15.0-0.build.sh
index 324d459..bf823a3 100755
--- a/node-16.15.0-0.build.sh
+++ b/node-16.15.0-0.build.sh
@@ -32,18 +32,18 @@ BUILDDIR=$PREFIX/build
 mkdir -p $BUILDDIR
 cd $BUILDDIR
 
-# test -e ${PKG}-v${VERSION}.tar.gz || wget https://nodejs.org/dist/v${VERSION}/${PKG}-v${VERSION}.tar.gz
+# test -e $PKG-v$VERSION.tar.gz || wget https://nodejs.org/dist/v$VERSION/$PKG-v$VERSION.tar.gz
 # wget https://nodejs.org/dist/v16.15.0/node-v16.15.0.tar.gz
-test -e ${PKG}-v${VERSION}.tar.gz || wget https://beehive.molgen.mpg.de/1be414cdf553b0772e1048e03ffa741b/node-v16.15.0.tar.gz
-test -d ${PKG}-v${VERSION}        || tar xvf ${PKG}-v${VERSION}.tar.gz
-cd ${PKG}-v${VERSION}
+test -e $PKG-v$VERSION.tar.gz || wget https://beehive.molgen.mpg.de/1be414cdf553b0772e1048e03ffa741b/node-v16.15.0.tar.gz
+test -d $PKG-v$VERSION        || tar xvf $PKG-v$VERSION.tar.gz
+cd $PKG-v$VERSION
 ./configure \
 	--prefix=$PREFIX
 make
 make install
 
-for i in ${PREFIX}/bin/*; do
-	ln -sv ${i}{,-${VERSION}}
+for i in $PREFIX/bin/*; do
+	ln -sv "$i"{,-$VERSION}
 done
 
 exit