diff --git a/Facepunch.Steamworks/Config.cs b/Facepunch.Steamworks/Config.cs
index f2c324e..cb76bb2 100644
--- a/Facepunch.Steamworks/Config.cs
+++ b/Facepunch.Steamworks/Config.cs
@@ -32,7 +32,7 @@ public static void ForUnity( string platform )
             }
 
             IsUnity = true;
-            UseThisCall = SteamNative.Platform.Os == OperatingSystem.Windows;
+            UseThisCall = SteamNative.Platform.Os == OperatingSystem.Windows || SteamNative.Platform.Os == OperatingSystem.Linux;
 
             Console.WriteLine( "Facepunch.Steamworks Unity: " + platform );
             Console.WriteLine( "Facepunch.Steamworks Os: " + SteamNative.Platform.Os );