diff --git a/backend/services/reward-service/prisma/schema.prisma b/backend/services/reward-service/prisma/schema.prisma
index ca31cb9c..0e96c882 100644
--- a/backend/services/reward-service/prisma/schema.prisma
+++ b/backend/services/reward-service/prisma/schema.prisma
@@ -4,6 +4,7 @@ generator client {
 
 datasource db {
   provider = "postgresql"
+  url      = env("DATABASE_URL")
 }
 
 // ============================================