diff --git a/include/configs/km/keymile-common.h b/include/configs/km/keymile-common.h
index 6a31d26..d749b2b 100644
--- a/include/configs/km/keymile-common.h
+++ b/include/configs/km/keymile-common.h
@@ -248,7 +248,6 @@
 	"stderr=serial\0"						\
 	"stdin=serial\0"						\
 	"stdout=serial\0"						\
-	"u-boot="xstr(CONFIG_HOSTNAME) "/u-boot.bin\0"			\
 	""
 #endif /* CONFIG_KM_DEF_ENV */
 
diff --git a/include/configs/km/km-powerpc.h b/include/configs/km/km-powerpc.h
index 4cec57c..7610358 100644
--- a/include/configs/km/km-powerpc.h
+++ b/include/configs/km/km-powerpc.h
@@ -75,6 +75,7 @@
 		"cramfsload ${fdt_addr_r} "				\
 		"fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb\0"		\
 	"fdt_addr_r=" xstr(CONFIG_KM_FDT_ADDR) "\0"			\
+	"u-boot="xstr(CONFIG_HOSTNAME) "/u-boot.bin\0"			\
 	"update="							\
 		"protect off " xstr(BOOTFLASH_START) " +${filesize} && "\
 		"erase " xstr(BOOTFLASH_START) "  +${filesize} && "	\
diff --git a/include/configs/km/km_arm.h b/include/configs/km/km_arm.h
index 23717f4..d41fcb7 100644
--- a/include/configs/km/km_arm.h
+++ b/include/configs/km/km_arm.h
@@ -74,6 +74,7 @@
 #define CONFIG_KM_DEF_ENV_CPU						\
 	"boot=bootm ${load_addr_r} - -\0"				\
 	"cramfsloadfdt=true\0"						\
+	"u-boot="xstr(CONFIG_HOSTNAME) "/u-boot.kwb\0"			\
 	CONFIG_KM_DEF_ENV_UPDATE					\
 	""