diff --git a/frontend/src/views/admin/SettingsView.vue b/frontend/src/views/admin/SettingsView.vue
index 2a9c0b8ba9..25b3b2535d 100644
--- a/frontend/src/views/admin/SettingsView.vue
+++ b/frontend/src/views/admin/SettingsView.vue
@@ -1688,12 +1688,12 @@
                 <div v-if="form.payment_cancel_rate_limit_enabled" class="mt-3">
                   <div class="flex flex-wrap items-center gap-2 text-sm text-gray-700 dark:text-gray-300">
                     <span>{{ t('admin.settings.payment.cancelRateLimitEvery') }}</span>
-                    <input v-model.number="form.payment_cancel_rate_limit_window" type="number" min="1" class="input w-16 text-center" />
-                    <Select v-model="form.payment_cancel_rate_limit_unit" :options="cancelRateLimitUnitOptions" class="w-20" />
+                    <input v-model.number="form.payment_cancel_rate_limit_window" type="number" min="1" required class="input w-16 text-center" />
+                    <Select v-model="form.payment_cancel_rate_limit_unit" :options="cancelRateLimitUnitOptions" class="w-24" />
                     <span>{{ t('admin.settings.payment.cancelRateLimitAllowMax') }}</span>
-                    <input v-model.number="form.payment_cancel_rate_limit_max" type="number" min="1" class="input w-16 text-center" />
+                    <input v-model.number="form.payment_cancel_rate_limit_max" type="number" min="1" required class="input w-16 text-center" />
                     <span>{{ t('admin.settings.payment.cancelRateLimitTimes') }}</span>
-                    <Select v-model="form.payment_cancel_rate_limit_window_mode" :options="cancelRateLimitModeOptions" class="w-20" />
+                    <Select v-model="form.payment_cancel_rate_limit_window_mode" :options="cancelRateLimitModeOptions" class="w-32" />
                   </div>
                 </div>
                 <p class="mt-1.5 text-xs text-gray-400">{{ t('admin.settings.payment.cancelRateLimitHint') }}</p>