diff --git a/clients/client-psutil.py b/clients/client-psutil.py
index fe1632c..bc8995a 100755
--- a/clients/client-psutil.py
+++ b/clients/client-psutil.py
@@ -78,12 +78,12 @@ def tupd():
     :return:
     '''
     try:
-        if 'linux' in sys.platform:
+        if sys.platform.startswith("linux") is True:
             t = int(os.popen('ss -t|wc -l').read()[:-1])-1
             u = int(os.popen('ss -u|wc -l').read()[:-1])-1
             p = int(os.popen('ps -ef|wc -l').read()[:-1])-2
             d = int(os.popen('ps -eLf|wc -l').read()[:-1])-2
-        elif 'win' in sys.platform:
+        elif sys.platform.startswith("win") is True:
             t = int(os.popen('netstat -an|find "TCP" /c').read()[:-1])-1
             u = int(os.popen('netstat -an|find "UDP" /c').read()[:-1])-1
             p = len(psutil.pids())