diff --git a/types/lnrpc.d.ts b/types/lnrpc.d.ts
index a92f710..2214606 100644
--- a/types/lnrpc.d.ts
+++ b/types/lnrpc.d.ts
@@ -561,7 +561,7 @@ export interface Invoice {
   amtPaid?: string;
   amtPaidSat?: string;
   amtPaidMsat?: string;
-  state: InvoiceState;
+  state?: InvoiceState;
 }
 
 export interface AddInvoiceResponse {