diff --git a/build.sh b/build.sh
index 67488ad..a0ad7fb 100755
--- a/build.sh
+++ b/build.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh -e
 
 echo "Cleaning.."
 rm -rf bin
diff --git a/src/nasu.c b/etc/nasu.c
similarity index 100%
rename from src/nasu.c
rename to etc/nasu.c