diff --git a/apps/web/src/views/partials/monitor-form.ejs b/apps/web/src/views/partials/monitor-form.ejs
index 32b0f67..7a065bd 100644
--- a/apps/web/src/views/partials/monitor-form.ejs
+++ b/apps/web/src/views/partials/monitor-form.ejs
@@ -114,13 +114,20 @@
     </div>
   </div>
 
+  <%
+    const certDaysRaw = Number(monitor.cert_alert_days);
+    const certDaysSel = certDaysRaw === 0 ? '0'
+                      : (certDaysRaw >= 1 && certDaysRaw <= 9) ? String(certDaysRaw)
+                      : '7';
+  %>
   <div>
     <label class="block text-sm text-gray-400 mb-1.5">TLS cert expiry alert</label>
     <select id="<%= prefix %>cert-alert-days" name="cert_alert_days"
       class="w-full <%= bg %> border <%= border %> rounded-lg px-4 py-2.5 text-gray-100 focus:outline-none focus:border-blue-500">
-      <% [['0','Disabled'],['7','7 days before expiry'],['14','14 days before expiry'],['30','30 days before expiry'],['60','60 days before expiry']].forEach(function([val, label]) { %>
-        <option value="<%= val %>" <%= String(monitor.cert_alert_days ?? '14') === val ? 'selected' : '' %>><%= label %></option>
-      <% }) %>
+      <option value="0" <%= certDaysSel === '0' ? 'selected' : '' %>>Disabled</option>
+      <% for (let d = 1; d <= 9; d++) { const v = String(d); %>
+        <option value="<%= v %>" <%= certDaysSel === v ? 'selected' : '' %>><%= d %> day<%= d === 1 ? '' : 's' %> before expiry</option>
+      <% } %>
     </select>
   </div>