diff --git a/Data/InstanceData.cs b/Data/InstanceData.cs
index 97b7746..909fbac 100644
--- a/Data/InstanceData.cs
+++ b/Data/InstanceData.cs
@@ -44,12 +44,15 @@ namespace Kav
 
         public void SetData()
         {
-            VertexBuffer.SetData(
-                InstanceDataArray,
-                0,
-                InstanceCount,
-                SetDataOptions.NoOverwrite
-            );
+            if (InstanceCount > 0)
+            {
+                VertexBuffer.SetData(
+                    InstanceDataArray,
+                    0,
+                    InstanceCount,
+                    SetDataOptions.NoOverwrite
+                );
+            }
         }
 
         public void Clear()