diff --git a/src/near.ts b/src/near.ts
index 231dc85870..1a6fd04026 100644
--- a/src/near.ts
+++ b/src/near.ts
@@ -18,7 +18,7 @@ type NearConfig = {
   masterAccount?: string;
   networkId: string;
   nodeUrl: string;
-  walletUrl: string;
+  walletUrl?: string;
 }
 
 export class Near {