diff --git a/etc/spack/defaults/config.yaml b/etc/spack/defaults/config.yaml
index 4092140e29324112e8b3134501453eb47e582c06..738720386766f43c4b49beb915d0409e6c1466a6 100644
--- a/etc/spack/defaults/config.yaml
+++ b/etc/spack/defaults/config.yaml
@@ -25,7 +25,7 @@ config:
 
 
   # default directory layout
-  directory_layout: "${ARCHITECTURE}/${COMPILERNAME}-${COMPILERVER}/${PACKAGE}-${VERSION}-${HASH}"
+  install_path_scheme: "${ARCHITECTURE}/${COMPILERNAME}-${COMPILERVER}/${PACKAGE}-${VERSION}-${HASH}"
 
 
   # Locations where different types of modules should be installed.