Index: src/clear_cmd.cpp
===================================================================
--- src/clear_cmd.cpp (revision 27115)
+++ src/clear_cmd.cpp (working copy)
@@ -112,7 +112,7 @@
break;
case CLEAR_ROCKS:
- DrawGroundSprite(SPR_FLAT_ROCKY_LAND_1 + SlopeToSpriteOffset(ti->tileh), PAL_NONE);
+ DrawGroundSprite((GB(ti->x ^ ti->y, 4, 1) ? SPR_FLAT_ROCKY_LAND_2 : SPR_FLAT_ROCKY_LAND_1) + SlopeToSpriteOffset(ti->tileh), PAL_NONE);
break;
case CLEAR_FIELDS: