g_ptr->mimic = 0;
/* Clear previous contents, add stairs */
- g_ptr->feat = (i < shaft_num) ? feat_state(feat, FF_SHAFT) : feat;
+ g_ptr->feat = (i < shaft_num) ? feat_state(owner_ptr, feat, FF_SHAFT) : feat;
/* No longer "FLOOR" */
g_ptr->info &= ~(CAVE_FLOOR);