diff --git a/src/BizHawk.Client.EmuHawk/MainForm.Events.cs b/src/BizHawk.Client.EmuHawk/MainForm.Events.cs
index f78e866c62..c0b4bc74e7 100644
--- a/src/BizHawk.Client.EmuHawk/MainForm.Events.cs
+++ b/src/BizHawk.Client.EmuHawk/MainForm.Events.cs
@@ -696,7 +696,8 @@ namespace BizHawk.Client.EmuHawk
 				x2MenuItem.Checked =
 				x3MenuItem.Checked =
 				x4MenuItem.Checked =
-				x5MenuItem.Checked = false;
+				x5MenuItem.Checked = 
+				mzMenuItem.Checked = false;
 
 			switch (Config.TargetZoomFactors[Emulator.SystemId])
 			{