diff --git a/app/Display/ScreenNative.cs b/app/Display/ScreenNative.cs
index 37dc25fb..90cfdbf0 100644
--- a/app/Display/ScreenNative.cs
+++ b/app/Display/ScreenNative.cs
@@ -160,9 +160,11 @@ namespace GHelper.Display
                         device.monitorFriendlyDeviceName == internalName)
                     {
                         if (log) Logger.WriteLine(device.monitorDevicePath + " " + device.outputTechnology);
+
                         AppConfig.Set("internal_display", device.monitorFriendlyDeviceName);
                         var names = device.monitorDevicePath.Split("#");
-                        if (names.Length > 0) return names[1];
+                        
+                        if (names.Length > 1) return names[1];
                         else return "";
                     }
                 }