diff --git a/src/mesa/drivers/dri/radeon/radeon_texture.c b/src/mesa/drivers/dri/radeon/radeon_texture.c
index 564da19f58e..0d87f152e99 100644
--- a/src/mesa/drivers/dri/radeon/radeon_texture.c
+++ b/src/mesa/drivers/dri/radeon/radeon_texture.c
@@ -830,7 +830,7 @@ static void migrate_image_to_miptree(radeon_mipmap_tree *mt, radeon_texture_imag
 		 * In fact, that memcpy() could be done by the hardware in many
 		 * cases, provided that we have a proper memory manager.
 		 */
-		radeon_mipmap_level *srclvl = &image->mt->levels[image->mtlevel];
+		radeon_mipmap_level *srclvl = &image->mt->levels[image->mtlevel-image->mt->firstLevel];
 
 		assert(srclvl->size == dstlvl->size);
 		assert(srclvl->rowstride == dstlvl->rowstride);