diff --git a/stackrc b/stackrc
index 16621f1..c521ecf 100644
--- a/stackrc
+++ b/stackrc
@@ -29,6 +29,9 @@
 # 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