diff --git a/boot/uboot/uboot.mk b/boot/uboot/uboot.mk
index ec592e13e..0610e4c9d 100644
--- a/boot/uboot/uboot.mk
+++ b/boot/uboot/uboot.mk
@@ -24,7 +24,7 @@ endif
 
 ifeq ($(BR2_TARGET_UBOOT_FORMAT_KWB),y)
 UBOOT_BIN          = u-boot.kwb
-UBOOT_MAKE_TARGET  = $(U_BOOT_BIN)
+UBOOT_MAKE_TARGET  = $(UBOOT_BIN)
 else ifeq ($(BR2_TARGET_UBOOT_FORMAT_LDR),y)
 UBOOT_BIN          = u-boot.ldr
 else