diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-firestone/conf/machine/firestone.conf b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-firestone/conf/machine/firestone.conf
index fa0d35e..3f790a5 100644
--- a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-firestone/conf/machine/firestone.conf
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-firestone/conf/machine/firestone.conf
@@ -5,7 +5,7 @@
 require conf/machine/include/obmc-bsp-common.inc
 require conf/machine/include/ibm.inc
 
-UBOOT_MACHINE_firestone = "ast_g4_config"
+UBOOT_MACHINE_firestone = "ast_g4_phy_config"
 UBOOT_ENTRYPOINT = "0x40008000"
 UBOOT_LOADADDRESS = "0x40008000"