diff --git a/tools/macos-setup.sh b/tools/macos-setup.sh
index b9446e74c5..0aeef71c33 100755
--- a/tools/macos-setup.sh
+++ b/tools/macos-setup.sh
@@ -954,7 +954,7 @@ EOF
                 # supports it, and I'm too lazy to add a dot-dot
                 # version check.
                 #
-                $MESON _build || exit 1
+                CFLAGS="$CFLAGS $VERSION_MIN_FLAGS $SDKFLAGS" CXXFLAGS="$CXXFLAGS $VERSION_MIN_FLAGS $SDKFLAGS" LDFLAGS="$LDFLAGS $VERSION_MIN_FLAGS $SDKFLAGS" $MESON _build || exit 1
                 ninja $MAKE_BUILD_OPTS -C _build || exit 1
                 $DO_NINJA_INSTALL || exit 1
                 ;;