diff --git a/build-buildroot b/build-buildroot
index 269832a2..acd9c1c9 100755
--- a/build-buildroot
+++ b/build-buildroot
@@ -172,7 +172,7 @@ def main(args, extra_args=None):
                 'BR2_DL_DIR="{}"'.format(common.buildroot_download_dir),
             ])
             common.write_configs(common.buildroot_config_file, buildroot_configs)
-            if args.build_linux:
+            if not args.build_linux:
                 buildroot_configs.extend([
                     '# BR2_LINUX_KERNEL is not set',
                 ])