diff --git a/bootstrap.sh b/bootstrap.sh
index b6abb72..e95fabe 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -1,6 +1,7 @@
 #!/bin/sh
 
 set -eu
+cd "$(dirname "$0")"
 git submodule update --init
 ./sync.sh
 git reset --hard