diff --git a/src/npm-pkgbuild-cli.mjs b/src/npm-pkgbuild-cli.mjs
index 762a0f39..ea222c35 100644
--- a/src/npm-pkgbuild-cli.mjs
+++ b/src/npm-pkgbuild-cli.mjs
@@ -9,6 +9,7 @@ const { promises } = require("fs");
 program
   .description("create arch linux package from npm")
   .version(version)
+  .option("-i <dir>")
   .option("-w <dir>")
   .action(async (args, options, logger) => {
     if (options.w !== undefined) {
@@ -17,7 +18,7 @@ program
 
       const dest = createWriteStream(join(wd, "PKGBUILD"));
       
-      await npm2pkgbuild(process.cwd(), dest);
+      await npm2pkgbuild(process.cwd(), dest, { installdir : options.i });
 
       const r = await execa("makepkg", ["-f"], { cwd: wd });
       console.log(r.stderr);
diff --git a/src/npm-pkgbuild.mjs b/src/npm-pkgbuild.mjs
index 0c99e267..97fefdbe 100644
--- a/src/npm-pkgbuild.mjs
+++ b/src/npm-pkgbuild.mjs
@@ -4,7 +4,9 @@ import { promisify } from 'util';
 import { finished } from 'stream';
 import fs from "fs";
 
-export async function npm2pkgbuild(dir, out) {
+export async function npm2pkgbuild(dir, out, options = {}) {
+  const installdir = options.installdir || '/';
+
   const pkgFile = join(dir, "package.json");
   const pkg = JSON.parse(
     await fs.promises.readFile(pkgFile, { encoding: "utf-8" })
@@ -94,7 +96,8 @@ build() {
 }
 
 package() {
-  (cd "\${srcdir}/${pkg.name}";tar cf - * )|(cd "\${pkgdir}";tar xf - )
+  mkdir -p "\${pkgdir}/${installdir}"
+  (cd "\${srcdir}/${pkg.name}";tar cf - * )|(cd "\${pkgdir}/${installdir}";tar xf - )
 }
 `
   );