diff --git a/org.budnhead/audio/nhBuffers.cs b/org.budnhead/audio/nhBuffers.cs
index 9d36fa5..152d7e7 100644
--- a/org.budnhead/audio/nhBuffers.cs
+++ b/org.budnhead/audio/nhBuffers.cs
@@ -3,7 +3,9 @@ using System.IO;
 using System.Collections.Generic;
 using OpenTK.Audio;
 using OpenTK.Audio.OpenAL;
+
 using org.budnhead.core;
+using org.budnhead.tools;