diff --git a/build.sh b/build.sh
index 3466a05..8c7dc26 100755
--- a/build.sh
+++ b/build.sh
@@ -1,3 +1,4 @@
 #!/usr/bin/env bash
-./build_containers.sh $1
-./build_registry.py $1 > ${1}/default.nix
+THIS=$(dirname "$0")
+./$THIS/build_containers.sh $1
+./$THIS/build_registry.py $1 > ${1}/default.nix