diff --git a/hbd/server/templates/settings.html b/hbd/server/templates/settings.html
index c4f3379..916d908 100644
--- a/hbd/server/templates/settings.html
+++ b/hbd/server/templates/settings.html
@@ -500,12 +500,12 @@
                     <td><input class="field-input user-full-name" value="{{ u.full_name | e }}"></td>
                     <td><input class="field-input user-avatar" value="{{ u.avatar | e }}"></td>
                     <td style="text-align:center"><input type="checkbox" class="user-admin" {% if u.admin %}checked{% endif %}></td>
-                    <td style="min-width:120px">
-                      {% for ch in all_channel_names %}
-                      <label style="display:block;font-size:.82em;white-space:nowrap">
-                        <input type="checkbox" class="user-ch" value="{{ ch | e }}" {% if ch in u.notification_channels %}checked{% endif %}> {{ ch | e }}
-                      </label>
-                      {% endfor %}
+                    <td style="min-width:140px">
+                      <select class="field-input user-ch-select" multiple size="{{ [all_channel_names|length, 4]|min }}" style="min-width:130px">
+                        {% for ch in all_channel_names %}
+                        <option value="{{ ch | e }}" {% if ch in u.notification_channels %}selected{% endif %}>{{ ch | e }}</option>
+                        {% endfor %}
+                      </select>
                     </td>
                     <td><input type="password" class="field-input user-password" placeholder="(leave blank to keep)"></td>
                     <td><button class="btn-danger" onclick="toggleDeleteRow(this)">✕</button></td>
@@ -847,7 +847,7 @@
             full_name: row.querySelector('.user-full-name').value,
             avatar: row.querySelector('.user-avatar').value,
             admin: row.querySelector('.user-admin').checked,
-            notification_channels: [...row.querySelectorAll('.user-ch:checked')].map(cb => cb.value),
+            notification_channels: [...(row.querySelector('.user-ch-select')?.selectedOptions || [])].map(o => o.value),
           };
           const pw = row.querySelector('.user-password').value;
           if (pw) entry.password = pw;
@@ -861,7 +861,7 @@
             full_name: row.querySelector('.user-full-name').value,
             avatar: row.querySelector('.user-avatar').value,
             admin: row.querySelector('.user-admin').checked,
-            notification_channels: [...row.querySelectorAll('.user-ch:checked')].map(cb => cb.value),
+            notification_channels: [...(row.querySelector('.user-ch-select')?.selectedOptions || [])].map(o => o.value),
           };
           const pw = row.querySelector('.user-password').value;
           if (pw) entry.password = pw;
@@ -974,9 +974,8 @@
 
       function addUserRow() {
         const tbody = document.getElementById('users-tbody');
-        const chHtml = _allChannels.map(ch =>
-          `<label style="display:block;font-size:.82em;white-space:nowrap"><input type="checkbox" class="user-ch" value="${escHtml(ch)}"> ${escHtml(ch)}</label>`
-        ).join('');
+        const opts = _allChannels.map(ch => `<option value="${escHtml(ch)}">${escHtml(ch)}</option>`).join('');
+        const chHtml = `<select class="field-input user-ch-select" multiple size="${Math.min(_allChannels.length, 4)}" style="min-width:130px">${opts}</select>`;
         const row = document.createElement('tr');
         row.setAttribute('data-new-user', 'true');
         row.innerHTML = `