diff --git a/src/BizHawk.Client.Common/config/Config.cs b/src/BizHawk.Client.Common/config/Config.cs
index 886b337cbe..f29d595518 100644
--- a/src/BizHawk.Client.Common/config/Config.cs
+++ b/src/BizHawk.Client.Common/config/Config.cs
@@ -145,6 +145,9 @@ namespace BizHawk.Client.Common
 		public bool AcceptBackgroundInput { get; set; }
 		public bool AcceptBackgroundInputControllerOnly { get; set; }
 		public bool HandleAlternateKeyboardLayouts { get; set; }
+
+		public bool SetInvariantCulture { get; set; } = false;
+
 		public bool SingleInstanceMode { get; set; }
 		public OpposingDirPolicy OpposingDirPolicy { get; set; }
 		public bool ShowContextMenu { get; set; } = true;
diff --git a/src/BizHawk.Client.EmuHawk/Program.cs b/src/BizHawk.Client.EmuHawk/Program.cs
index f1ea4b31e4..4c65eec856 100644
--- a/src/BizHawk.Client.EmuHawk/Program.cs
+++ b/src/BizHawk.Client.EmuHawk/Program.cs
@@ -1,6 +1,7 @@
 using System.Diagnostics;
 using System.IO;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Reflection;
 using System.Runtime.InteropServices;
@@ -223,6 +224,11 @@ namespace BizHawk.Client.EmuHawk
 			if (cliFlags.GDIPlusRequested) initialConfig.DispMethod = EDispMethod.GdiPlus;
 			// initialConfig should really be globalConfig as it's mutable
 
+			if (initialConfig.SetInvariantCulture)
+			{
+				CultureInfo.CurrentCulture = CultureInfo.DefaultThreadCurrentCulture = CultureInfo.InvariantCulture;
+			}
+
 			StringLogUtil.DefaultToDisk = initialConfig.Movies.MoviesOnDisk;
 
 			// must be done VERY early, before any SDL_Init calls can be done