diff --git a/toolchain/helpers.mk b/toolchain/helpers.mk
index cb3b61ae0..30eb065e1 100644
--- a/toolchain/helpers.mk
+++ b/toolchain/helpers.mk
@@ -197,11 +197,11 @@ check_glibc_feature = \
 check_glibc_rpc_feature = \
 	IS_IN_LIBC=`test -f $(1)/usr/include/rpc/rpc.h && echo y` ; \
 	if [ "$(BR2_TOOLCHAIN_HAS_NATIVE_RPC)" != "y" -a "$${IS_IN_LIBC}" = "y" ] ; then \
-		echo "RPC support available in C library, please enable BR2_TOOLCHAIN_HAS_NATIVE_RPC" ; \
+		echo "RPC support available in C library, please enable BR2_TOOLCHAIN_EXTERNAL_INET_RPC" ; \
 		exit 1 ; \
 	fi ; \
 	if [ "$(BR2_TOOLCHAIN_HAS_NATIVE_RPC)" = "y" -a "$${IS_IN_LIBC}" != "y" ] ; then \
-		echo "RPC support not available in C library, please disable BR2_TOOLCHAIN_HAS_NATIVE_RPC" ; \
+		echo "RPC support not available in C library, please disable BR2_TOOLCHAIN_EXTERNAL_INET_RPC" ; \
 		exit 1 ; \
 	fi