diff --git a/citoyen.py b/citoyen.py
index 6fc25e0..e3858f8 100755
--- a/citoyen.py
+++ b/citoyen.py
@@ -244,12 +244,12 @@ def main():
     logger.debug("Final arguments: %s" % args)
     
     if args.city == None:
-        logger.info('City must be provided.')
+        logger.error('City must be provided.')
         parser.print_help()
         exit(-1)
     
     if args.login == None:
-        logger.info('Login must be provided.')
+        logger.error('Login must be provided.')
         parser.print_help()
         exit(-1)