diff --git a/sdk/tools/winesync/d3dx9.cfg b/sdk/tools/winesync/d3dx9.cfg
index 689ad51acb8..cefdb2502a3 100644
--- a/sdk/tools/winesync/d3dx9.cfg
+++ b/sdk/tools/winesync/d3dx9.cfg
@@ -32,5 +32,6 @@ files:
   include/d3dx9shader.h: sdk/include/dxsdk/d3dx9shader.h
   include/d3dx9shape.h: sdk/include/dxsdk/d3dx9shape.h
   include/d3dx9tex.h: sdk/include/dxsdk/d3dx9tex.h
+  include/d3dx9xof.h: sdk/include/dxsdk/d3dx9xof.h
 tags:
   wine: wine-4.2