diff --git a/dlls/d3d8/d3d8.spec b/dlls/d3d8/d3d8.spec
index 4bad85023af..4f125a9c1c1 100644
--- a/dlls/d3d8/d3d8.spec
+++ b/dlls/d3d8/d3d8.spec
@@ -1,5 +1,5 @@
 @ stdcall D3D8GetSWInfo()
 @ stdcall DebugSetMute()
 @ stdcall Direct3DCreate8(long)
-@ stdcall ValidatePixelShader(ptr long long ptr)
+@ stdcall ValidatePixelShader(ptr ptr long ptr)
 @ stdcall ValidateVertexShader(ptr ptr ptr long ptr)