diff --git a/pkgs/9base b/pkgs/9base
index d14f6a4..2cdb37f 100644
--- a/pkgs/9base
+++ b/pkgs/9base
@@ -12,6 +12,6 @@ build: crossmusl
 	for t in $targets; do
 		cd $t
 		make -j$nprocs CC=$CC
-		cp $t $root/bin/
+		cp $t "$root/bin/"
 		cd ..
 	done
diff --git a/pkgs/busybox b/pkgs/busybox
index 108e610..3bff274 100644
--- a/pkgs/busybox
+++ b/pkgs/busybox
@@ -5,8 +5,8 @@ build: crossmusl
 	cd src/busybox-$v
 	cp $top/stuff/busybox.config .config
 	make -j$nprocs CC=$CC busybox
-	cp busybox "${root}/bin"
-	cd "${root}/bin"
+	cp busybox "$root/bin"
+	cd "$root/bin"
 	ln -sf busybox addgroup
 	ln -sf busybox adduser
 	ln -sf busybox bzip2
diff --git a/pkgs/crossmusl b/pkgs/crossmusl
index 69dbf6e..8407cb5 100644
--- a/pkgs/crossmusl
+++ b/pkgs/crossmusl
@@ -9,6 +9,6 @@ build: prepare_root
 		mv "$root/opt/cross/$arch-linux-musl/$arch-linux-musl/lib64"/* "$root/opt/cross/$arch-linux-musl/$arch-linux-musl/lib"
 	fi
 	for t in ${targets}; do
-		ln -sf ../opt/cross/$arch-linux-musl/bin/$arch-linux-musl-$t $root/bin/$t
+		ln -sf ../opt/cross/$arch-linux-musl/bin/$arch-linux-musl-$t "$root/bin/$t"
 	done
-	ln -sf gcc ${root}/bin/cc
+	ln -sf gcc "$root/bin/cc"
diff --git a/pkgs/dwm b/pkgs/dwm
index b46480d..3917852 100644
--- a/pkgs/dwm
+++ b/pkgs/dwm
@@ -9,4 +9,4 @@ build: tinyxlib
 	sed -i "s@LDFLAGS  = -s ${LIBS}@LDFLAGS = $LDFLAGS ${LIBS} @" config.mk
 	sed -i "s@CC = cc@CC = $CC@" config.mk
 	make
-	make DESTDIR=${root} install
+	make DESTDIR="$root" install
diff --git a/pkgs/fs b/pkgs/fs
index ee7fd8a..5ceae23 100644
--- a/pkgs/fs
+++ b/pkgs/fs
@@ -2,4 +2,4 @@ git="git://git.2f30.org/fs"
 
 build: prepare_root
 	cd src/fs
-	cp -r * "${root}/"
+	cp -r * "$root/"
diff --git a/pkgs/ncurses b/pkgs/ncurses
index 4d6ba95..724ac61 100644
--- a/pkgs/ncurses
+++ b/pkgs/ncurses
@@ -4,13 +4,13 @@ url="$mirror/ncurses.tar.gz"
 build: crossmusl
 	cd src/ncurses-$v
 	cp $top/stuff/ncurses-fallback.c ncurses/fallback.c
-	CC="$CC -static" ./configure --prefix="${libcroot}" --mandir="$root/share" --without-tests \
+	CC="$CC -static" ./configure --prefix="$libcroot" --mandir="$root/share" --without-tests \
 		--with-normal --enable-sigwinch --disable-nls --without-dlsym \
 		--without-cxx-binding --enable-widec \
 		--with-fallbacks="linux vt100 xterm xterm256-color" </dev/ptmx
 	make -j$nprocs
 	make install
-	cd $root/lib
+	cd "$root/lib"
 	for lib in ncurses form panel menu ; do
 		ln -sf lib${lib}w_g.a lib${lib}_g.a
 		ln -sf lib${lib}w.a lib${lib}.a
diff --git a/pkgs/prepare_root b/pkgs/prepare_root
index dd188ca..3b6b853 100644
--- a/pkgs/prepare_root
+++ b/pkgs/prepare_root
@@ -1,12 +1,12 @@
 build:
-	mkdir -p ${root}
-	cd ${root}
+	mkdir -p "$root"
+	cd "$root"
 	mkdir -p boot bin dev emul etc home mnt opt proc root share src sys tmp var
 	mkdir -p dev/pts dev/shm opt/cross share/doc share/fonts/encodings share/man share/terminfo var/empty var/log var/run
 	rm -f include
-	ln -s opt/cross/${arch}-linux-musl/${arch}-linux-musl/include include
+	ln -s "opt/cross/$arch-linux-musl/$arch-linux-musl/include" include
 	rm -f lib
-	ln -s opt/cross/${arch}-linux-musl/${arch}-linux-musl/lib lib
+	ln -s "opt/cross/$arch-linux-musl/$arch-linux-musl/lib" lib
 	rm -f usr
 	ln -s . usr
 	rm -f sbin
diff --git a/pkgs/syslinux b/pkgs/syslinux
index 909dfd0..cf8db78 100644
--- a/pkgs/syslinux
+++ b/pkgs/syslinux
@@ -2,4 +2,4 @@ url="$mirror/syslinux.tar.gz"
 
 build: prepare_root
 	cd src
-	cp -r syslinux/* $root/
+	cp -r syslinux/* "$root/"
diff --git a/pkgs/vim b/pkgs/vim
index 8552669..cdc0f11 100644
--- a/pkgs/vim
+++ b/pkgs/vim
@@ -9,4 +9,4 @@ build: ncurses
 		--disable-nls --disable-netbeans
 	make -j$nprocs
 	make DESTDIR="$root" install
-	ln -sf vim $root/bin/vi
+	ln -sf vim "$root/bin/vi"