diff --git a/lib/filesystem.js b/lib/filesystem.js
index 818243b..92b3d79 100644
--- a/lib/filesystem.js
+++ b/lib/filesystem.js
@@ -497,7 +497,7 @@ function fsStats(callback) {
 
   return new Promise((resolve) => {
     process.nextTick(() => {
-      if (_windows) {
+      if (_windows || _freebsd || _openbsd || _netbsd || _sunos) {
         return resolve(null);
       }