diff --git a/toolchain/toolchain-buildroot/Config.in b/toolchain/toolchain-buildroot/Config.in
index 1bd3f92365..216f9db7a7 100644
--- a/toolchain/toolchain-buildroot/Config.in
+++ b/toolchain/toolchain-buildroot/Config.in
@@ -22,6 +22,7 @@ source "package/linux-headers/Config.in.host"
 
 choice
 	prompt "C library"
+	default BR2_TOOLCHAIN_UCLIBC
 	default BR2_TOOLCHAIN_BUILDROOT_EGLIBC if BR2_mips64 || BR2_mips64el
 
 config BR2_TOOLCHAIN_BUILDROOT_UCLIBC