diff --git a/packages/loot-core/typings/window.d.ts b/packages/loot-core/typings/window.d.ts
index e9afb1fa7f..afe10ea622 100644
--- a/packages/loot-core/typings/window.d.ts
+++ b/packages/loot-core/typings/window.d.ts
@@ -29,6 +29,7 @@ type Actual = {
   ) => void;
   isUpdateReadyForDownload: () => boolean;
   waitForUpdateReadyForDownload: () => Promise<void>;
+  startOAuthServer: () => Promise<void>;
 };
 
 declare global {