diff --git a/Makefile b/Makefile
index 2136321..31642fd 100644
--- a/Makefile
+++ b/Makefile
@@ -5,8 +5,8 @@ install:
 	mkdir -p $(DESTDIR)/usr/bin/
 	cd ./generator ; go build -ldflags="-s -w" -o ./generator -buildvcs=false
 	cd ./init ; go build -ldflags="-s -w" -o ./init -buildvcs=false
-	mkdir "$DESTDIR/etc/"
-	touch "$DESTDIR/etc/booster.yaml"
-	install -Dp -m755 ./generator/generator "$DESTDIR/usr/bin/booster"
-	install -Dp -m644 ./docs/manpage.1 "$DESTDIR/usr/share/man/man1/booster.1"
-	install -Dp -m755 ./init/init "$DESTDIR/usr/lib/booster/init"
+	mkdir "$(DESTDIR)/etc/"
+	touch "$(DESTDIR)/etc/booster.yaml"
+	install -Dp -m755 ./generator/generator "$(DESTDIR)/usr/bin/booster"
+	install -Dp -m644 ./docs/manpage.1 "$(DESTDIR)/usr/share/man/man1/booster.1"
+	install -Dp -m755 ./init/init "($DESTDIR)/usr/lib/booster/init"