diff --git a/gfx/d3d/d3d_wrapper.cpp b/gfx/d3d/d3d_wrapper.cpp
index 168d4c8c64..0de5a14b95 100644
--- a/gfx/d3d/d3d_wrapper.cpp
+++ b/gfx/d3d/d3d_wrapper.cpp
@@ -268,9 +268,9 @@ void d3d_lockrectangle_clear(void *data,
       unsigned rectangle_height, unsigned flags)
 {
 #if defined(_XBOX)
-   d3d_video_t *chain = (d3d_video_t*)data;
+   d3d_video_t *d3d = (d3d_video_t*)data;
    D3DTexture_LockRect(tex, level, lock_rect, rect, flags);
-   memset(lock_rect->pBits, 0, chain->tex_h * lock_rect->Pitch);
+   memset(lock_rect->pBits, 0, d3d->tex_h * lock_rect->Pitch);
 #else
    if (SUCCEEDED(tex->LockRect(level, lock_rect, rect, flags)))
    {