diff --git a/syncmail b/syncmail
index 2687758d..789d4136 100755
--- a/syncmail
+++ b/syncmail
@@ -235,7 +235,7 @@ def blast_mail(subject, people, filestodiff, contextlines, fromhost):
 	# Obtention du real user =>  signature automatique des commits
 	ppid=os.getpid()
 	print ppid
-	os.system('ps auxww')
+	os.system("ps a -o tty,ppid,pid %s" % ppid)
 	while user=='root' :
 	    ppid,user = string.split(string.strip(os.popen("ps --no-headers -o ppid,user %s" % ppid).readlines()[0]))
 	    if ppid=='1' :