diff --git a/arch/nios2/include/asm/u-boot.h b/arch/nios2/include/asm/u-boot.h
index ec844d0..f7c70ff 100644
--- a/arch/nios2/include/asm/u-boot.h
+++ b/arch/nios2/include/asm/u-boot.h
@@ -43,5 +43,7 @@
 	unsigned long	bi_baudrate;	/* Console Baudrate */
 } bd_t;
 
+/* For image.h:image_check_target_arch() */
+#define IH_ARCH_DEFAULT IH_ARCH_NIOS2
 
 #endif	/* __ASM_NIOS2_U_BOOT_H_ */