diff --git a/src/types.ts b/src/types.ts
index 619abdfd..780828aa 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -56,6 +56,8 @@ export type GraphQlQueryResponse<ResponseData> = {
   data: ResponseData;
   errors?: [
     {
+      // https://github.com/octokit/graphql.js/pull/314
+      type: string;
       message: string;
       path: [string];
       extensions: { [key: string]: any };