diff --git a/server/lib/readConfigFile.ts b/server/lib/readConfigFile.ts
index 0d82defd..07203213 100644
--- a/server/lib/readConfigFile.ts
+++ b/server/lib/readConfigFile.ts
@@ -176,7 +176,10 @@ export const configSchema = z
         orgs: z.object({
             block_size: z.number().positive().gt(0).optional().default(24),
             subnet_group: z.string().optional().default("100.90.128.0/24")
-        }).optional(),
+        }).optional().default({
+            block_size: 24,
+            subnet_group: "100.90.128.0/24"
+        }),
         rate_limits: z
             .object({
                 global: z