diff --git a/ElectronNET.API/App.cs b/ElectronNET.API/App.cs
index 793bb2a..e8b7d72 100644
--- a/ElectronNET.API/App.cs
+++ b/ElectronNET.API/App.cs
@@ -1338,6 +1338,13 @@ namespace ElectronNET.API
/// The handler
public void Once(string eventName, Action