diff --git a/stackrc b/stackrc
index 3580ae1..8704a65 100644
--- a/stackrc
+++ b/stackrc
@@ -35,5 +35,7 @@
 MUNIN_REPO=https://github.com/cloudbuilders/openstack-munin.git
 MUNIN_BRANCH=master
 
-# allow local overwrites
-[ -f ./localrc ] && source ./localrc
+# allow local overrides of env variables
+if [ -f ./localrc ]; then
+    source ./localrc
+fi