diff --git a/include/d3drmobj.h b/include/d3drmobj.h
index 28340fba0e..dc1ba0881e 100644
--- a/include/d3drmobj.h
+++ b/include/d3drmobj.h
@@ -855,7 +855,7 @@ DECLARE_INTERFACE_(IDirect3DRMViewport,IDirect3DRMObject)
 #define IDirect3DRMViewport_GetName(p,a,b)               (p)->lpVtbl->GetName(p,a,b)
 #define IDirect3DRMViewport_GetClassName(p,a,b)          (p)->lpVtbl->GetClassName(p,a,b)
 /*** IDirect3DRMViewport methods ***/
-#define IDirect3DRMViewport_Init(p,a,b,c,d)              (p)->lpVtbl->Init(p,a,b,c,d)
+#define IDirect3DRMViewport_Init(p,a,b,c,d,e,f)          (p)->lpVtbl->Init(p,a,b,c,d,e,f)
 #define IDirect3DRMViewport_Clear(p)                     (p)->lpVtbl->Clear(p)
 #define IDirect3DRMViewport_Render(p,a)                  (p)->lpVtbl->Render(p,a)
 #define IDirect3DRMViewport_SetFront(p,a)                (p)->lpVtbl->SetFront(p,a)
@@ -898,7 +898,7 @@ DECLARE_INTERFACE_(IDirect3DRMViewport,IDirect3DRMObject)
 #define IDirect3DRMViewport_GetName(p,a,b)               (p)->GetName(a,b)
 #define IDirect3DRMViewport_GetClassName(p,a,b)          (p)->GetClassName(a,b)
 /*** IDirect3DRMViewport methods ***/
-#define IDirect3DRMViewport_Init(p,a,b,c,d)              (p)->Init(a,b,c,d)
+#define IDirect3DRMViewport_Init(p,a,b,c,d,e,f)          (p)->Init(a,b,c,d,e,f)
 #define IDirect3DRMViewport_Clear(p)                     (p)->Clear()
 #define IDirect3DRMViewport_Render(p,a)                  (p)->Render(a)
 #define IDirect3DRMViewport_SetFront(p,a)                (p)->SetFront(a)
@@ -1044,7 +1044,7 @@ DECLARE_INTERFACE_(IDirect3DRMViewport2,IDirect3DRMObject)
 #define IDirect3DRMViewport2_GetName(p,a,b)                   (p)->GetName(a,b)
 #define IDirect3DRMViewport2_GetClassName(p,a,b)              (p)->GetClassName(a,b)
 /*** IDirect3DRMViewport2 methods ***/
-#define IDirect3DRMViewport2_Init(p,a,b,c,d)                  (p)->Init(a,b,c,d)
+#define IDirect3DRMViewport2_Init(p,a,b,c,d,e,f)              (p)->Init(a,b,c,d,e,f)
 #define IDirect3DRMViewport2_Clear(p)                         (p)->Clear()
 #define IDirect3DRMViewport2_Render(p,a)                      (p)->Render(a)
 #define IDirect3DRMViewport2_SetFront(p,a)                    (p)->SetFront(a)