diff --git a/packages/backend/server/src/modules/quota/service.ts b/packages/backend/server/src/modules/quota/service.ts
index 5f05a59e5..d31637427 100644
--- a/packages/backend/server/src/modules/quota/service.ts
+++ b/packages/backend/server/src/modules/quota/service.ts
@@ -5,6 +5,8 @@ import { FeatureKind } from '../features';
 import { QuotaConfig } from './quota';
 import { QuotaType } from './types';
 
+type Transaction = Parameters<Parameters<PrismaService['$transaction']>[0]>[0];
+
 @Injectable()
 export class QuotaService {
   constructor(private readonly prisma: PrismaService) {}
@@ -83,6 +85,13 @@ export class QuotaService {
     expiredAt?: Date
   ) {
     await this.prisma.$transaction(async tx => {
+      const hasSameActivatedQuota = await this.hasQuota(userId, quota, tx);
+
+      if (hasSameActivatedQuota) {
+        // don't need to switch
+        return;
+      }
+
       const latestPlanVersion = await tx.features.aggregate({
         where: {
           feature: quota,
@@ -130,8 +139,10 @@ export class QuotaService {
     });
   }
 
-  async hasQuota(userId: string, quota: QuotaType) {
-    return this.prisma.userFeatures
+  async hasQuota(userId: string, quota: QuotaType, transaction?: Transaction) {
+    const executor = transaction ?? this.prisma;
+
+    return executor.userFeatures
       .count({
         where: {
           userId,