diff --git a/lib/types/Authorization.types.ts b/lib/types/Authorization.types.ts
index 282a91e9..7385a2b0 100644
--- a/lib/types/Authorization.types.ts
+++ b/lib/types/Authorization.types.ts
@@ -68,7 +68,7 @@ export interface OpenIDResponse<T> {
 
 export interface AccessTokenResponse {
   access_token: string;
-  scope?: string
+  scope?: string;
   token_type?: string;
   expires_in?: number; // in seconds
   c_nonce?: string;