diff --git a/env/merlin/sysconfigs/config.yaml b/env/merlin/sysconfigs/config.yaml
new file mode 100644
index 0000000..e553396
--- /dev/null
+++ b/env/merlin/sysconfigs/config.yaml
@@ -0,0 +1,5 @@
+config:
+  install_tree:
+    root: /afs/psi.ch/sys/spack-rhel7
+    projections:
+      all: "${COMPILERNAME}/${COMPILERVER}/${PACKAGE}/${VERSION}"
\ No newline at end of file