diff --git a/msgpi/utils.py b/msgpi/utils.py
index 30a2701..f668fa1 100644
--- a/msgpi/utils.py
+++ b/msgpi/utils.py
@@ -15,10 +15,9 @@ def run(cmd, timeout, scrnout):
         proc = sbp.Popen(cmd)
     else:
         if platform.system() == 'Windows':
-            FNULL = open(os.devnull, 'w')
-            proc = sbp.Popen(cmd, stdout=FNULL, stderr=sbp.STDOUT)
+            proc = sbp.Popen(cmd, stdout=sbp.DEVNULL, stderr=sbp.STDOUT)
         elif platform.system() == 'Linux':
-            proc = sbp.Popen(cmd, stdout=sbp.DEVNULL, stderr=sbp.STDOUT,preexec_fn=os.setsid)
+            proc = sbp.Popen(cmd, stdout=sbp.DEVNULL, stderr=sbp.STDOUT, preexec_fn=os.setsid)
 
     try:
         stdout, stderr = proc.communicate(timeout=timeout)