diff --git a/backend/services/reporting-service/src/infrastructure/persistence/repositories/realtime-stats.repository.impl.ts b/backend/services/reporting-service/src/infrastructure/persistence/repositories/realtime-stats.repository.impl.ts
index 9f59120b..0cbba232 100644
--- a/backend/services/reporting-service/src/infrastructure/persistence/repositories/realtime-stats.repository.impl.ts
+++ b/backend/services/reporting-service/src/infrastructure/persistence/repositories/realtime-stats.repository.impl.ts
@@ -16,7 +16,7 @@ export class RealtimeStatsRepository implements IRealtimeStatsRepository {
     const statsDate = this.normalizeDate(date);
 
     const existing = await this.prisma.realtimeStats.findUnique({
-      where: { statsDate },
+      where: { uk_realtime_stats_date: { statsDate } },
     });
 
     if (existing) {
@@ -34,7 +34,7 @@ export class RealtimeStatsRepository implements IRealtimeStatsRepository {
     const statsDate = this.normalizeDate(date);
 
     const found = await this.prisma.realtimeStats.findUnique({
-      where: { statsDate },
+      where: { uk_realtime_stats_date: { statsDate } },
     });
 
     return found ? this.toDomain(found) : null;
@@ -55,7 +55,7 @@ export class RealtimeStatsRepository implements IRealtimeStatsRepository {
     );
 
     const result = await this.prisma.realtimeStats.upsert({
-      where: { statsDate },
+      where: { uk_realtime_stats_date: { statsDate } },
       create: {
         statsDate,
         dailyPlantingCount: safeTreeCount,
@@ -76,7 +76,7 @@ export class RealtimeStatsRepository implements IRealtimeStatsRepository {
     const statsDate = this.normalizeDate(date);
 
     const result = await this.prisma.realtimeStats.upsert({
-      where: { statsDate },
+      where: { uk_realtime_stats_date: { statsDate } },
       create: {
         statsDate,
         dailyOrderCount: 1,
@@ -94,7 +94,7 @@ export class RealtimeStatsRepository implements IRealtimeStatsRepository {
     this.logger.debug(`Incrementing new user: date=${statsDate.toISOString()}`);
 
     const result = await this.prisma.realtimeStats.upsert({
-      where: { statsDate },
+      where: { uk_realtime_stats_date: { statsDate } },
       create: {
         statsDate,
         dailyNewUserCount: 1,
@@ -114,7 +114,7 @@ export class RealtimeStatsRepository implements IRealtimeStatsRepository {
     );
 
     const result = await this.prisma.realtimeStats.upsert({
-      where: { statsDate },
+      where: { uk_realtime_stats_date: { statsDate } },
       create: {
         statsDate,
         dailyProvinceAuthCount: 1,
@@ -132,7 +132,7 @@ export class RealtimeStatsRepository implements IRealtimeStatsRepository {
     this.logger.debug(`Incrementing city auth: date=${statsDate.toISOString()}`);
 
     const result = await this.prisma.realtimeStats.upsert({
-      where: { statsDate },
+      where: { uk_realtime_stats_date: { statsDate } },
       create: {
         statsDate,
         dailyCityAuthCount: 1,