diff --git a/munin/scripts/link_plugins.py b/munin/scripts/link_plugins.py
index 6db5a162..a9fc3c0c 100755
--- a/munin/scripts/link_plugins.py
+++ b/munin/scripts/link_plugins.py
@@ -128,7 +128,7 @@ def link_plugins(plugins, directory):
     for name, path in plugins.iteritems():
         try:
             os.symlink(path, os.path.join(directory, name))
-            if sys.argv[1] == '-v':
+            if options.verbose:
                 print "%s installé avec succès!" % name
         except OSError:
             print "Echec à l'installation de %s (déjà installé?)" % name
@@ -203,6 +203,10 @@ if __name__ == "__main__":
                       action = 'store_true',
                       help = 'Do not actually make links'
                       )
+    parser.add_option('-v', '--verbose',
+                      action = 'store_true',
+                      help = 'Increase verbosity'
+                      )
     (options, args) = parser.parse_args()
 
     plugins = get_all_plugins()