diff --git a/plinth/modules/mediawiki/templates/mediawiki.html b/plinth/modules/mediawiki/templates/mediawiki.html
index e8481261b..f6d90eecc 100644
--- a/plinth/modules/mediawiki/templates/mediawiki.html
+++ b/plinth/modules/mediawiki/templates/mediawiki.html
@@ -24,17 +24,17 @@
   <script type="text/javascript">
    (function($) {
        $('#id_enable_public_registrations').click(function () {
-		       var checkedState =   $(this).prop("checked");
+                       var checkedState =   $(this).prop("checked");
            if (checkedState) {
-    	         $('#id_enable_private_mode').prop('checked', false);
-  	       }
+                 $('#id_enable_private_mode').prop('checked', false);
+               }
        });
 
        $('#id_enable_private_mode').click(function () {
-		       var checkedState =   $(this).prop("checked");
+                       var checkedState =   $(this).prop("checked");
            if (checkedState) {
-    	         $('#id_enable_public_registrations').prop('checked', false);
-  	       }
+                 $('#id_enable_public_registrations').prop('checked', false);
+               }
        });
    })(jQuery);
   </script>