diff --git a/packages/services/storage/src/environment.ts b/packages/services/storage/src/environment.ts
index 6841d8b6277..0aca9dd40ae 100644
--- a/packages/services/storage/src/environment.ts
+++ b/packages/services/storage/src/environment.ts
@@ -36,7 +36,7 @@ const PostgresModel = zod.object({
   POSTGRES_PORT: NumberFromString,
   POSTGRES_DB: zod.string(),
   POSTGRES_USER: zod.string(),
-  POSTGRES_PASSWORD: zod.string().optional(),
+  POSTGRES_PASSWORD: emptyString(zod.string().optional()),
 });
 
 const ClickHouseModel = zod.union([