diff --git a/Lidgren.Network/Platform/PlatformConstrained.cs b/Lidgren.Network/Platform/PlatformConstrained.cs
index 492b232..0ffe874 100644
--- a/Lidgren.Network/Platform/PlatformConstrained.cs
+++ b/Lidgren.Network/Platform/PlatformConstrained.cs
@@ -1,4 +1,4 @@
-#if __CONSTRAINED__
+#if __CONSTRAINED__ || UNITY_STANDALONE_LINUX
 using System;
 using System.Collections.Generic;
 using System.Net;
diff --git a/Lidgren.Network/Platform/PlatformWin32.cs b/Lidgren.Network/Platform/PlatformWin32.cs
index 5ee7250..79f9ced 100644
--- a/Lidgren.Network/Platform/PlatformWin32.cs
+++ b/Lidgren.Network/Platform/PlatformWin32.cs
@@ -1,4 +1,4 @@
-#if !__ANDROID__ && !__CONSTRAINED__ && !WINDOWS_RUNTIME
+#if !__ANDROID__ && !__CONSTRAINED__ && !WINDOWS_RUNTIME && !UNITY_STANDALONE_LINUX
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;