diff --git a/apps/api/src/user/config/env.config.ts b/apps/api/src/user/config/env.config.ts
index 258634d18..bb1cc20c1 100644
--- a/apps/api/src/user/config/env.config.ts
+++ b/apps/api/src/user/config/env.config.ts
@@ -1,5 +1,5 @@
 import { z } from "zod";
 
 export const envSchema = z.object({
-  STALE_ANONYMOUS_USERS_LIVE_IN_DAYS: z.number().optional().default(90)
+  STALE_ANONYMOUS_USERS_LIVE_IN_DAYS: z.number({ coerce: true }).optional().default(90)
 });