diff --git a/meta-ibm/recipes-phosphor/flash/phosphor-software-manager_%.bbappend b/meta-ibm/recipes-phosphor/flash/phosphor-software-manager_%.bbappend
index e4d4657..c8812e2 100644
--- a/meta-ibm/recipes-phosphor/flash/phosphor-software-manager_%.bbappend
+++ b/meta-ibm/recipes-phosphor/flash/phosphor-software-manager_%.bbappend
@@ -20,6 +20,7 @@
 
 # Enable Side Switch Boot
 PACKAGECONFIG:append:p10bmc = " side_switch_on_boot"
+PACKAGECONFIG:append:system1 = " side_switch_on_boot"
 
 # Enable sync of persistent files to the alternate BMC chip
 PACKAGECONFIG:append:sbp1 = " sync_bmc_files static-dual-image"