diff --git a/module_stats.py b/module_stats.py
index f21e1a7..4bde81f 100755
--- a/module_stats.py
+++ b/module_stats.py
@@ -27,6 +27,7 @@ parser.add_option("--startdate", metavar="YYYY-MM-DD", dest="startdate")
 parser.add_option("--enddate", metavar="YYYY-MM-DD", dest="enddate")
 parser.add_option("--nohpc", action="store_true", default=False, dest="nohpc", help="Exclude hpc* accounts from stats")
 parser.add_option("--printusers", action="store_true", default=False, dest="printusers", help="Print detailed user lists for module usage.")
+parser.add_option("--excludeusers", metavar="REGEX", dest="excludeusers", help="Exclude users mathich given regular expression")
 parser.add_option("--list-unused", action="store_true", default=False, dest="list_unused", help="List only unused modules.")
 (options, args) = parser.parse_args()
 if options.logdir :
@@ -39,6 +40,8 @@ if options.enddate :
     enddate = datetime.date(int(d[0:4]),int(d[5:7]),int(d[8:10]))
 if len(args) > 0 :
     modulepattern = args[0]
+if options.excludeusers :
+    excludeusers_re = re.compile(str(options.excludeusers))
 
 
 for logfilename in os.listdir(logdir) :
@@ -56,6 +59,8 @@ for logfilename in os.listdir(logdir) :
             user = line.split()[-3][5:] # remove user: in front
             if options.nohpc and 'hpc' in user :
                 continue
+            if options.excludeusers and excludeusers_re.match(user):
+                continue
             total_users.add(user)
             total_modules = total_modules + 1
             if module not in modules: