diff --git a/variants/native/portduino/platformio.ini b/variants/native/portduino/platformio.ini
index 3d82e8be1..c497d0c17 100644
--- a/variants/native/portduino/platformio.ini
+++ b/variants/native/portduino/platformio.ini
@@ -140,7 +140,7 @@ extends = native_base
 ; the top-level platformio.ini). Strip it; the linker map isn't useful for
 ; the macOS dev loop anyway, and Apple ld's equivalent (`-Wl,-map,<file>`)
 ; uses different argument shape.
-build_unflags = -Wl,-Map,${platformio.build_dir}/output.map
+build_unflags = -Wl,-Map,"${platformio.build_dir}"/output.map
 build_flags = ${portduino_base.build_flags_common}
   -I variants/native/portduino
   -I/opt/homebrew/include