diff --git a/Vocaluxe/Lib/Draw/CDirect3D.cs b/Vocaluxe/Lib/Draw/CDirect3D.cs
index a67078ca..880edf2a 100644
--- a/Vocaluxe/Lib/Draw/CDirect3D.cs
+++ b/Vocaluxe/Lib/Draw/CDirect3D.cs
@@ -471,7 +471,7 @@ namespace Vocaluxe.Lib.Draw
                 indices[4] = 2;
                 indices[5] = 3;
 
-                _IndexBuffer = new IndexBuffer(_Device, 6 * sizeof(int), Usage.WriteOnly, Pool.Managed, true);
+                _IndexBuffer = new IndexBuffer(_Device, 6 * sizeof(Int16), Usage.WriteOnly, Pool.Managed, true);
 
                 DataStream stream = _IndexBuffer.Lock(0, 0, LockFlags.None);
                 stream.WriteRange(indices);