diff --git a/Mk/Uses/meson.mk b/Mk/Uses/meson.mk
--- a/Mk/Uses/meson.mk
+++ b/Mk/Uses/meson.mk
@@ -102,8 +102,8 @@
 INSTALL_WRKSRC=		${WRKSRC}/${MESON_BUILD_DIR}
 
 TEST_ENV+=		MESON_TESTTHREADS=${MAKE_JOBS_NUMBER}
-TEST_WRKSRC=		${WRKSRC}/${MESON_BUILD_DIR}
-TEST_TARGET=		test
+TEST_WRKSRC?=		${WRKSRC}/${MESON_BUILD_DIR}
+TEST_TARGET?=		test
 
 MESON_BUILD_DIR?=	_build