diff --git a/install.sh b/install.sh
index 096c4f5..69c93ae 100755
--- a/install.sh
+++ b/install.sh
@@ -1,5 +1,15 @@
+#!/bin/sh
+cd "$(dirname "$0")"
+
 [ -z "$1" ] && echo 'usage: ./install <PROFILE>' && exit 1
 
+if [ -d "./$1" ]; then
+	cd "$1"
+else
+	echo 'no such profile'
+	exit 1
+fi
+
 archinstall \
 	--config user_configuration.json \
 	--disk-layout user_disk_layout.json \