diff --git a/subprocess.h b/subprocess.h
index 5e80902..74a4e00 100644
--- a/subprocess.h
+++ b/subprocess.h
@@ -1205,7 +1205,7 @@ int subprocess_create_ex(const char *const commandLine[], int options,
 
   // Set working directory
   if (process_cwd) {
-#if defined(__APPLE__) && MAC_OS_X_VERSION_MIN_REQUIRED >= 260000
+#if defined(__NetBSD__) || (defined(__APPLE__) && MAC_OS_X_VERSION_MIN_REQUIRED >= 260000)
     posix_error = posix_spawn_file_actions_addchdir(&actions, process_cwd);
 #else
 #if defined(__APPLE__) && defined(__clang__)