diff --git a/Server/Server.cs b/Server/Server.cs
index 8c1617b..15b8f56 100644
--- a/Server/Server.cs
+++ b/Server/Server.cs
@@ -9,7 +9,7 @@ using Lidgren.Network;
 
 namespace CoopServer
 {
-    class Server
+    internal class Server
     {
         private static readonly string CompatibleVersion = "V0_8_0_1";
 
diff --git a/Server/Util.cs b/Server/Util.cs
index 9fcd2e4..338a681 100644
--- a/Server/Util.cs
+++ b/Server/Util.cs
@@ -8,7 +8,7 @@ using Lidgren.Network;
 
 namespace CoopServer
 {
-    class Util
+    internal class Util
     {
         public static List<NativeArgument> ParseNativeArguments(params object[] args)
         {