diff --git a/dlls/d3dx8/d3dx8.spec b/dlls/d3dx8/d3dx8.spec
index 2b7eedd2e9c..07d62350dbc 100644
--- a/dlls/d3dx8/d3dx8.spec
+++ b/dlls/d3dx8/d3dx8.spec
@@ -1,23 +1,23 @@
 @ stdcall D3DXVec2Normalize(ptr ptr)
 @ stdcall D3DXVec2Hermite(ptr ptr ptr ptr ptr long)
-@ stdcall D3DXVec2CatmullRom(ptr ptr ptr ptr long)
+@ stdcall D3DXVec2CatmullRom(ptr ptr ptr ptr long long)
 @ stdcall D3DXVec2BaryCentric(ptr ptr ptr ptr long long)
 @ stdcall D3DXVec2Transform(ptr ptr ptr)
 @ stdcall D3DXVec2TransformCoord(ptr ptr ptr)
 @ stdcall D3DXVec2TransformNormal(ptr ptr ptr)
 @ stdcall D3DXVec3Normalize(ptr ptr)
 @ stdcall D3DXVec3Hermite(ptr ptr ptr ptr ptr long)
-@ stdcall D3DXVec3CatmullRom(ptr ptr ptr ptr long)
+@ stdcall D3DXVec3CatmullRom(ptr ptr ptr ptr long long)
 @ stdcall D3DXVec3BaryCentric(ptr ptr ptr ptr long long)
 @ stdcall D3DXVec3Transform(ptr ptr ptr)
 @ stdcall D3DXVec3TransformCoord(ptr ptr ptr)
 @ stdcall D3DXVec3TransformNormal(ptr ptr ptr)
 @ stub D3DXVec3Project
 @ stub D3DXVec3Unproject
-@ stdcall D3DXVec4Cross(ptr ptr ptr)
+@ stdcall D3DXVec4Cross(ptr ptr ptr ptr)
 @ stdcall D3DXVec4Normalize(ptr ptr)
 @ stdcall D3DXVec4Hermite(ptr ptr ptr ptr ptr long)
-@ stdcall D3DXVec4CatmullRom(ptr ptr ptr ptr long)
+@ stdcall D3DXVec4CatmullRom(ptr ptr ptr ptr long long)
 @ stdcall D3DXVec4BaryCentric(ptr ptr ptr ptr long long)
 @ stdcall D3DXVec4Transform(ptr ptr ptr)
 @ stdcall D3DXMatrixfDeterminant(ptr)