diff --git a/static/app.js b/static/app.js
index 80e2f34..1763c19 100644
--- a/static/app.js
+++ b/static/app.js
@@ -82,9 +82,15 @@ function renderTable() {
         guestNameInput.maxLength = 50;
         guestNameInput.onchange = e => {
             let value = e.target.value;
+            // Allow clearing the guest name (empty string is valid)
+            if (value === "") {
+                delete data.guestNames[date];
+                saveData();
+                return;
+            }
             // Only allow plain text, disallow HTML/script tags, max 50 chars
             if (/</.test(value) || />/.test(value) || /["'`\\]/.test(value)) {
-                alert("Guest name cannot contain code or special characters like <, >, \", \\\\, or backticks.");
+                alert("Guest name cannot contain code or special characters like <, >, \", \\, or backticks.");
                 guestNameInput.value = data.guestNames[date] || '';
                 return;
             }