diff --git a/src/XIVLauncher.Common.Windows/WindowsGameRunner.cs b/src/XIVLauncher.Common.Windows/WindowsGameRunner.cs
index 229fcc943..164ae9b34 100644
--- a/src/XIVLauncher.Common.Windows/WindowsGameRunner.cs
+++ b/src/XIVLauncher.Common.Windows/WindowsGameRunner.cs
@@ -32,6 +32,7 @@ public Process Start(string path, string workingDirectory, string arguments, IDi
                 _ => throw new ArgumentOutOfRangeException()
             };
             environment.Add("__COMPAT_LAYER", compat);
+            environment.Add("XL_PLATFORM", "Windows");
 
             var prevDalamudRuntime = Environment.GetEnvironmentVariable("DALAMUD_RUNTIME");
             if (string.IsNullOrWhiteSpace(prevDalamudRuntime))
@@ -44,4 +45,4 @@ public Process Start(string path, string workingDirectory, string arguments, IDi
             return NativeAclFix.LaunchGame(workingDirectory, path, arguments, environment, dpiAwareness, process => { });
         }
     }
-}
\ No newline at end of file
+}