diff --git a/webapp_admin/webapp_admin.py b/webapp_admin/webapp_admin.py
index d7aa092..cf51000 100755
--- a/webapp_admin/webapp_admin.py
+++ b/webapp_admin/webapp_admin.py
@@ -64,7 +64,7 @@ def opt_args(print_help=None):
     group = OptionGroup(parser, "Signature", "")
     group.add_option("--backup-signature", dest="backup_signature", action="store_true", help="Backup signature")
     group.add_option("--restore-signature", dest="restore_signature", action="store", help="Restore signature (need file name)")
-    group.add_option("--replace", dest="replace", action="store_true", help="Replace existing signature, file layout must be: username_signature-name_signatureid.html")
+    group.add_option("--replace-signature", dest="replace_signature", action="store_true", help="Replace existing signature, file layout must be: username_signature-name_signatureid.html")
     group.add_option("--default-signature", dest="default_signature", action="store_true", help="Set signature as default one")
     parser.add_option_group(group)
 
@@ -636,7 +636,7 @@ def main():
         if options.backup_signature:
             backup_signature(user, options.location)
         if options.restore_signature:
-            restore_signature(user,  options.restore_signature, options.replace, options.default_signature)
+            restore_signature(user,  options.restore_signature, options.replace_signature, options.default_signature)
 
         # Advanced injection option
         if options.add_option: