diff --git a/contrib/install-systemd-service.js b/contrib/install-systemd-service.js
index 716c9f4..f28e4a0 100644
--- a/contrib/install-systemd-service.js
+++ b/contrib/install-systemd-service.js
@@ -21,7 +21,7 @@ const targetPath = path.join(systemdUserHome, "oasis.service");
 if (fs.existsSync(targetPath)) {
   console.log("Cowardly refusing to overwrite file:", targetPath);
 } else {
-  mkdirp(systemdUserHome);
+  mkdirp.sync(systemdUserHome);
 
   const sourcePath = path.join(__dirname, "oasis.service");
   fs.copyFileSync(sourcePath, targetPath);