diff --git a/include/configs/xenguest_arm64.h b/include/configs/xenguest_arm64.h
index 612436a..bc268d2 100644
--- a/include/configs/xenguest_arm64.h
+++ b/include/configs/xenguest_arm64.h
@@ -9,12 +9,12 @@
 #include <linux/types.h>
 #endif
 
-#define CONFIG_EXTRA_ENV_SETTINGS
+#define CFG_EXTRA_ENV_SETTINGS
 
 #undef CFG_SYS_SDRAM_BASE
 
-#undef CONFIG_EXTRA_ENV_SETTINGS
-#define CONFIG_EXTRA_ENV_SETTINGS	\
+#undef CFG_EXTRA_ENV_SETTINGS
+#define CFG_EXTRA_ENV_SETTINGS	\
 	"loadimage=ext4load pvblock 0 0x90000000 /boot/Image;\0" \
 	"pvblockboot=run loadimage;" \
 		"booti 0x90000000 - 0x88000000;\0"