diff --git a/github-electron/github-electron.d.ts b/github-electron/github-electron.d.ts
index 5dcaba2ff..7334d04ae 100644
--- a/github-electron/github-electron.d.ts
+++ b/github-electron/github-electron.d.ts
@@ -1718,7 +1718,7 @@ declare module GitHubElectron {
 		powerMonitor: NodeJS.EventEmitter;
 		protocol: GitHubElectron.Protocol;
 		Tray: typeof GitHubElectron.Tray;
-		hideInternalModules(): any;
+		hideInternalModules(): void;
 	}
 }