diff --git a/app/server/routes.js b/app/server/routes.js
index 5276742..c1ea3f9 100644
--- a/app/server/routes.js
+++ b/app/server/routes.js
@@ -171,6 +171,8 @@ exports.connect = function connect(req, res) {
       letterSpacing,
       lineHeight,
     },
+    cols: null,
+    rows: null,
     allowreplay:
       config.options.challengeButton ||
       (validator.isBoolean(`${req.headers.allowreplay}`)