diff --git a/libs/types.ts b/libs/types.ts
index 8ea3b3f..502fba7 100644
--- a/libs/types.ts
+++ b/libs/types.ts
@@ -21,10 +21,7 @@ interface PaystackCustomFields {
 }
 
 interface PaystackMetadata {
-  custom_fields: PaystackCustomFields[];
-}
-
-interface PaystackMetadata {
+  custom_fields?: PaystackCustomFields[];
   [key: string]: any;
 }
 
@@ -66,4 +63,4 @@ export type InitializePayment = (options: {
 }) => void;
 
 export type HookConfig = Omit<Partial<PaystackProps>, 'publicKey'> &
-  Pick<PaystackProps, 'publicKey'>;
+  Pick<PaystackProps, 'publicKey'>;
\ No newline at end of file