diff --git a/netscan.py b/netscan.py
index 341ed42e8b91d4b4df1d448ddde335e3535af411..fddbd869bc27302f68ece4e0073b3fefda732cea 100644
--- a/netscan.py
+++ b/netscan.py
@@ -109,9 +109,9 @@ def main(argv):
             port = arg
     
     if any((not network, not file, not port)):
-        print('Mandatory parameter is missing.')
         help()
-        logging.err('Mandatory parameters are missing.')
+        print('\nERROR: Mandatory parameter is missing.\n')
+        logging.error('Mandatory parameters are missing.')
         sys.exit()
 
     # find out ip ranges