diff --git a/OpenRa.Core/FileSystem.cs b/OpenRa.Core/FileSystem.cs
index f0bd1b5e04..f1ddf5f648 100644
--- a/OpenRa.Core/FileSystem.cs
+++ b/OpenRa.Core/FileSystem.cs
@@ -7,16 +7,16 @@ namespace OpenRa.Core
 {
 	public static class FileSystem
 	{
-		static List<IMountable> packages = new List<IMountable>();
+		static List<IPackage> packages = new List<IPackage>();
 
-		public static void Mount(IMountable package)
+		public static void Mount(IPackage package)
 		{
 			packages.Add(package);
 		}
 
 		internal static Stream GetItem(string filename)
 		{
-			foreach (IMountable package in packages)
+			foreach (IPackage package in packages)
 			{
 				Stream s = package.GetItem(filename);
 				if (s != null)
diff --git a/OpenRa.Core/IMountable.cs b/OpenRa.Core/IPackage.cs
similarity index 78%
rename from OpenRa.Core/IMountable.cs
rename to OpenRa.Core/IPackage.cs
index d041fe2072..e303ea8d31 100644
--- a/OpenRa.Core/IMountable.cs
+++ b/OpenRa.Core/IPackage.cs
@@ -5,7 +5,7 @@ using System.IO;
 
 namespace OpenRa.Core
 {
-	public interface IMountable
+	public interface IPackage
 	{
 		Stream GetItem(string filename);
 	}