diff --git a/arch/Config.in b/arch/Config.in
index 1853e26bb4..ab40294ddc 100644
--- a/arch/Config.in
+++ b/arch/Config.in
@@ -77,6 +77,7 @@ config BR2_aarch64_be
 
 config BR2_csky
 	bool "csky"
+	select BR2_ARCH_HAS_NO_TOOLCHAIN_BUILDROOT
 	select BR2_ARCH_HAS_MMU_MANDATORY
 	# Most variants are supported by gcc-9+, except one that is
 	# handled as a special exception in package/gcc/Config.in.host