diff --git a/Torch.Server/Managers/InstanceManager.cs b/Torch.Server/Managers/InstanceManager.cs
index a4e4a9e..0a33755 100644
--- a/Torch.Server/Managers/InstanceManager.cs
+++ b/Torch.Server/Managers/InstanceManager.cs
@@ -134,7 +134,7 @@ namespace Torch.Server.Managers
                 worldPath = DedicatedConfig.Worlds.First().WorldPath;
             else
                 // make sure we won't end up with a file path when we expect it to be a directory
-                worldPath = Path.EndsInDirectorySeparator(worldPath) ? worldPath : Path.GetDirectoryName(worldPath);
+                worldPath = worldPath.EndsWith(".sbc") ? Path.GetDirectoryName(worldPath) : worldPath;
 
             SelectWorld(worldPath, false);
 
@@ -235,7 +235,7 @@ namespace Torch.Server.Managers
 
             try
             {
-                MyObjectBuilderSerializer.DeserializeXML(sandboxPath, out MyObjectBuilder_Checkpoint checkpoint, out ulong sizeInBytes);
+                MyObjectBuilderSerializerKeen.DeserializeXML(sandboxPath, out MyObjectBuilder_Checkpoint checkpoint, out ulong sizeInBytes);
                 if (checkpoint == null)
                 {
                     Log.Error($"Failed to load {DedicatedConfig.LoadWorld}, checkpoint null ({sizeInBytes} bytes, instance {Torch.Config.InstancePath})");
@@ -368,14 +368,14 @@ namespace Torch.Server.Managers
 
         public void LoadSandbox()
         {
-            if (!MyObjectBuilderSerializer.DeserializeXML(_checkpointPath, out MyObjectBuilder_Checkpoint checkpoint))
+            if (!MyObjectBuilderSerializerKeen.DeserializeXML(_checkpointPath, out MyObjectBuilder_Checkpoint checkpoint))
                 throw new SerializationException("Error reading checkpoint, see keen log for details");
             Checkpoint = new CheckpointViewModel(checkpoint);
             
             // migrate old saves
             if (File.Exists(_worldConfigPath))
             {
-                if (!MyObjectBuilderSerializer.DeserializeXML(_worldConfigPath, out MyObjectBuilder_WorldConfiguration worldConfig))
+                if (!MyObjectBuilderSerializerKeen.DeserializeXML(_worldConfigPath, out MyObjectBuilder_WorldConfiguration worldConfig))
                     throw new SerializationException("Error reading settings, see keen log for details");
                 WorldConfiguration = new WorldConfigurationViewModel(worldConfig);
             }