diff --git a/src/BizHawk.Client.EmuHawk/tools/Lua/LuaWinform.cs b/src/BizHawk.Client.EmuHawk/tools/Lua/LuaWinform.cs
index 0945148a4d..9164717705 100644
--- a/src/BizHawk.Client.EmuHawk/tools/Lua/LuaWinform.cs
+++ b/src/BizHawk.Client.EmuHawk/tools/Lua/LuaWinform.cs
@@ -13,7 +13,7 @@ namespace BizHawk.Client.EmuHawk
 		private readonly string _currentDirectory = Environment.CurrentDirectory;
 		private readonly LuaFile _ownerFile;
 
-		public bool BlocksInputWhenFocused { get; set; } = false;
+		public bool BlocksInputWhenFocused { get; set; } = true;
 
 		public LuaWinform(LuaFile ownerFile, Action<IntPtr> formsWindowClosedCallback)
 		{