/* Hack -- Ohmu scatters molds! */
if (m_ptr->r_idx == MON_OHMU)
{
- if (!p_ptr->inside_arena && !p_ptr->phase_out)
+ if (!p_ptr->current_floor_ptr->inside_arena && !p_ptr->phase_out)
{
if (r_ptr->freq_spell && (randint1(100) <= r_ptr->freq_spell))
{