diff --git a/stackrc b/stackrc
index 4fefe8d..9513e5a 100644
--- a/stackrc
+++ b/stackrc
@@ -23,15 +23,6 @@
 # Destination path for installation
 DEST=/opt/stack
 
-# Destination for working data
-DATA_DIR=${DEST}/data
-
-# Destination for status files
-SERVICE_DIR=${DEST}/status
-
-# Path for subunit output file
-SUBUNIT_OUTPUT=${DEST}/devstack.subunit
-
 # Determine stack user
 if [[ $EUID -eq 0 ]]; then
     STACK_USER=stack
@@ -137,6 +128,15 @@
     source $RC_DIR/.localrc.auto
 fi
 
+# Destination for working data
+DATA_DIR=${DATA_DIR:-$DEST/data}
+
+# Destination for status files
+SERVICE_DIR=${SERVICE_DIR:-$DEST/status}
+
+# Path for subunit output file
+SUBUNIT_OUTPUT=${SUBUNIT_OUTPUT:-$DEST/devstack.subunit}
+
 # Default for log coloring is based on interactive-or-not.
 # Baseline assumption is that non-interactive invocations are for CI,
 # where logs are to be presented as browsable text files; hence color