diff --git a/backend/cmd/server/VERSION b/backend/cmd/server/VERSION
index 9a57afb880..19c2cd29ab 100644
--- a/backend/cmd/server/VERSION
+++ b/backend/cmd/server/VERSION
@@ -1 +1 @@
-0.1.110.35
+0.1.110.36
diff --git a/backend/internal/service/payment_config_plans.go b/backend/internal/service/payment_config_plans.go
index ca8b32d270..8783ba7751 100644
--- a/backend/internal/service/payment_config_plans.go
+++ b/backend/internal/service/payment_config_plans.go
@@ -19,8 +19,8 @@ func validatePlanRequired(name string, groupID int64, price float64, validityDay
 	if groupID <= 0 {
 		return infraerrors.BadRequest("PLAN_GROUP_REQUIRED", "group is required")
 	}
-	if price < 0 {
-		return infraerrors.BadRequest("PLAN_PRICE_INVALID", "price must be >= 0")
+	if price <= 0 {
+		return infraerrors.BadRequest("PLAN_PRICE_INVALID", "price must be > 0")
 	}
 	if validityDays <= 0 {
 		return infraerrors.BadRequest("PLAN_VALIDITY_REQUIRED", "validity days must be > 0")
diff --git a/frontend/src/views/admin/orders/AdminPaymentPlansView.vue b/frontend/src/views/admin/orders/AdminPaymentPlansView.vue
index fc7bff44aa..95311d70ae 100644
--- a/frontend/src/views/admin/orders/AdminPaymentPlansView.vue
+++ b/frontend/src/views/admin/orders/AdminPaymentPlansView.vue
@@ -103,7 +103,7 @@
 
         <div><label class="input-label">{{ t('payment.admin.planDescription') }} <span class="text-red-500">*</span></label><textarea v-model="planForm.description" rows="2" class="input" required></textarea></div>
         <div class="grid grid-cols-2 gap-4">
-          <div><label class="input-label">{{ t('payment.admin.price') }} <span class="text-red-500">*</span></label><input v-model.number="planForm.price" type="number" step="0.01" min="0" class="input" required /></div>
+          <div><label class="input-label">{{ t('payment.admin.price') }} <span class="text-red-500">*</span></label><input v-model.number="planForm.price" type="number" step="0.01" min="0.01" class="input" required /></div>
           <div><label class="input-label">{{ t('payment.admin.originalPrice') }}</label><input v-model.number="planForm.original_price" type="number" step="0.01" min="0" class="input" /></div>
         </div>
         <div class="grid grid-cols-2 gap-4">