diff --git a/lib/tmp.js b/lib/tmp.js
index e968214..aa13560 100644
--- a/lib/tmp.js
+++ b/lib/tmp.js
@@ -14,7 +14,7 @@ var
   path   = require('path'),
   crypto = require('crypto'),
   tmpDir = require('os-tmpdir'),
-  _c     = require('constants');
+  _c     = process.binding('constants');
 
 
 /**
@@ -31,7 +31,7 @@ var
 
   DEFAULT_TRIES = 3,
 
-  CREATE_FLAGS = _c.O_CREAT | _c.O_EXCL | _c.O_RDWR,
+  CREATE_FLAGS = (_c.O_CREAT || _c.fs.O_CREAT) | (_c.O_EXCL || _c.fs.O_EXCL) | (_c.O_RDWR || _c.fs.O_RDWR),
 
   DIR_MODE = 448 /* 0700 */,
   FILE_MODE = 384 /* 0600 */,
@@ -351,7 +351,7 @@ function _prepareTmpFileRemoveCallback(name, fd, opts) {
       // under some node/windows related circumstances, a temporary file
       // may have not be created as expected or the file was already closed
       // by the user, in which case we will simply ignore the error
-      if (e.errno != -_c.EBADF && e.errno != -_c.ENOENT) {
+      if (e.errno != -(_c.EBADF || _c.os.errno.EBADF) && e.errno != -(_c.ENOENT || _c.os.errno.ENOENT)) {
         // reraise any unanticipated error
         throw e;
       }
diff --git a/package.json b/package.json
index dcb488a..71f5809 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name":        "tmp",
-  "version":     "0.0.29",
+  "version":     "0.0.30",
   "description": "Temporary file and directory creator",
   "author":      "KARASZI István <github@spam.raszi.hu> (http://raszi.hu/)",