diff --git a/src/d3d9/d3d9_device.cpp b/src/d3d9/d3d9_device.cpp
index b531f46a..bc11b0a9 100644
--- a/src/d3d9/d3d9_device.cpp
+++ b/src/d3d9/d3d9_device.cpp
@@ -2598,6 +2598,9 @@ namespace dxvk {
       return D3D_OK;
     }
 
+    if (!VertexCount)
+      return D3D_OK;
+
     D3D9CommonBuffer* dst  = static_cast<D3D9VertexBuffer*>(pDestBuffer)->GetCommonBuffer();
     D3D9VertexDecl*   decl = static_cast<D3D9VertexDecl*>  (pVertexDecl);