diff --git a/defs-elabinelab b/defs-elabinelab
index d26c8bc2af25ec6019ce082fc15b15ce48fb64f0..541ee415c7103c25dfcb97b95e31a4208feb5c76 100644
--- a/defs-elabinelab
+++ b/defs-elabinelab
@@ -90,6 +90,12 @@ NAMED_FORWARDERS=changeme
 # Must localize to avoid conflict with outer emulab frisbeed.
 #
 FRISEBEEMCASTADDR=changeme
+#
+# Ops can be a VM on boss.
+#
+OPSVM_ENABLE=changeme
+OPSVM_MOUNTPOINT=changeme
+
 # testing
 MIN_UNIX_UID=500
 MIN_UNIX_GID=500