diff --git a/src/XIVLauncher.Common.Unix/UnixGameRunner.cs b/src/XIVLauncher.Common.Unix/UnixGameRunner.cs
index e612377de..9ed9da22d 100644
--- a/src/XIVLauncher.Common.Unix/UnixGameRunner.cs
+++ b/src/XIVLauncher.Common.Unix/UnixGameRunner.cs
@@ -1,6 +1,7 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
+using System.Runtime.InteropServices;
 using XIVLauncher.Common.Dalamud;
 using XIVLauncher.Common.PlatformAbstractions;
 using XIVLauncher.Common.Unix.Compatibility;
@@ -24,6 +25,14 @@ public UnixGameRunner(CompatibilityTools compatibility, DalamudLauncher dalamudL
     {
         if (dalamudOk)
         {
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+            {
+                environment.Add("XL_PLATFORM", "Linux");
+            }
+            else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+            {
+                environment.Add("XL_PLATFORM", "MacOS");
+            }
             return this.dalamudLauncher.Run(new FileInfo(path), arguments, environment);
         }
         else
@@ -31,4 +40,4 @@ public UnixGameRunner(CompatibilityTools compatibility, DalamudLauncher dalamudL
             return compatibility.RunInPrefix($"\"{path}\" {arguments}", workingDirectory, environment, writeLog: true);
         }
     }
-}
\ No newline at end of file
+}
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
+}