diff --git a/BizHawk.Client.EmuHawk/DisplayManager/Filters/Gui.cs b/BizHawk.Client.EmuHawk/DisplayManager/Filters/Gui.cs
index b7325baff0..f627a69606 100644
--- a/BizHawk.Client.EmuHawk/DisplayManager/Filters/Gui.cs
+++ b/BizHawk.Client.EmuHawk/DisplayManager/Filters/Gui.cs
@@ -288,7 +288,7 @@ namespace BizHawk.Client.EmuHawk.Filters
 			}
 			ContentSize = new Size(LL.vw,LL.vh);
 
-			if (InputSize == ContentSize)
+			if (InputSize == OutputSize) //any reason we need to check vx and vy?
 				IsNOP = true;
 		}