diff --git a/classes/config/schema.ts b/classes/config/schema.ts
index 45a6a481..1e6756ef 100644
--- a/classes/config/schema.ts
+++ b/classes/config/schema.ts
@@ -207,8 +207,8 @@ export const keyPair = z
 
 export const vapidKeyPair = z
     .strictObject({
-        public: sensitiveString,
-        private: sensitiveString,
+        public: sensitiveString.optional(),
+        private: sensitiveString.optional(),
     })
     .optional()
     .transform((k, ctx) => {