diff --git a/tests/lib/Makefile.inc b/tests/lib/Makefile.inc
index 3b8e93c9c2..0cab1ba266 100644
--- a/tests/lib/Makefile.inc
+++ b/tests/lib/Makefile.inc
@@ -250,3 +250,4 @@ ux_locales-test-mocks += _cbfs_alloc \
 			cbfs_unmap \
 			vb2api_get_locale_id \
 			vboot_get_context
+ux_locales-test-config += CONFIG_VBOOT=1