diff --git a/dlls/wined3d/vertexshader.c b/dlls/wined3d/vertexshader.c
index 0b9d4cf53bf..fbad6fba10b 100644
--- a/dlls/wined3d/vertexshader.c
+++ b/dlls/wined3d/vertexshader.c
@@ -562,7 +562,7 @@ static HRESULT WINAPI IWineD3DVertexShaderImpl_SetFunction(IWineD3DVertexShader
     /* Second pass: figure out registers used, semantics, etc.. */
     memset(reg_maps, 0, sizeof(shader_reg_maps));
     hr = shader_get_registers_used((IWineD3DBaseShader*) This, reg_maps,
-       This->semantics_in, This->semantics_out, pFunction, deviceImpl->stateBlock);
+       This->semantics_in, This->semantics_out, pFunction, NULL);
     if (hr != WINED3D_OK) return hr;
 
     This->baseShader.shader_mode = deviceImpl->vs_selected_mode;