diff --git a/packages/xo-server/src/index.js b/packages/xo-server/src/index.js
index 1d57b1848..852f626d5 100644
--- a/packages/xo-server/src/index.js
+++ b/packages/xo-server/src/index.js
@@ -59,6 +59,7 @@ const DEPRECATED_ENTRIES = [
 
 async function loadConfiguration () {
   const config = await appConf.load('xo-server', {
+    appDir: joinPath(__dirname, '..'),
     ignoreUnknownFormats: true,
   })