diff --git a/meta-facebook/meta-yosemite4/conf/machine/yosemite4.conf b/meta-facebook/meta-yosemite4/conf/machine/yosemite4.conf
index 28f6f82..17d12e6 100644
--- a/meta-facebook/meta-yosemite4/conf/machine/yosemite4.conf
+++ b/meta-facebook/meta-yosemite4/conf/machine/yosemite4.conf
@@ -20,3 +20,5 @@
 # Primary chassis as Sled plus secondary chassis in N slots.
 OBMC_CHASSIS_INSTANCES = "0 ${OBMC_HOST_INSTANCES}"
 
+VIRTUAL-RUNTIME_obmc-host-state-manager = "phosphor-state-manager-host"
+VIRTUAL-RUNTIME_obmc-chassis-state-manager = "phosphor-state-manager-chassis"