diff --git a/meta-yocto-bsp/conf/machine/include/genericx86-common.inc b/meta-yocto-bsp/conf/machine/include/genericx86-common.inc
index 95d9e175fc4c..e10b69ca75cd 100644
--- a/meta-yocto-bsp/conf/machine/include/genericx86-common.inc
+++ b/meta-yocto-bsp/conf/machine/include/genericx86-common.inc
@@ -1,6 +1,6 @@
 include conf/machine/include/x86/x86-base.inc
 require conf/machine/include/x86/qemuboot-x86.inc
-MACHINE_FEATURES += "wifi efi pcbios"
+MACHINE_FEATURES:append = "wifi efi pcbios"
 
 PREFERRED_VERSION_linux-yocto ?= "6.18%"
 PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"