diff --git a/arch/powerpc/include/asm/u-boot.h b/arch/powerpc/include/asm/u-boot.h
index 721692a..b2fa2b5 100644
--- a/arch/powerpc/include/asm/u-boot.h
+++ b/arch/powerpc/include/asm/u-boot.h
@@ -143,4 +143,8 @@
 } bd_t;
 
 #endif /* __ASSEMBLY__ */
+
+/* For image.h:image_check_target_arch() */
+#define IH_ARCH_DEFAULT IH_ARCH_PPC
+
 #endif	/* __U_BOOT_H__ */