diff --git a/meta-witherspoon/recipes-phosphor/flash/openpower-software-manager_%.bbappend b/meta-witherspoon/recipes-phosphor/flash/openpower-software-manager_%.bbappend
index 197e404..6c1f275 100644
--- a/meta-witherspoon/recipes-phosphor/flash/openpower-software-manager_%.bbappend
+++ b/meta-witherspoon/recipes-phosphor/flash/openpower-software-manager_%.bbappend
@@ -1 +1,2 @@
 PACKAGECONFIG_append_ibm-ac-server = " verify_pnor_signature"
+PACKAGECONFIG_append_mihawk = " verify_pnor_signature"