// Just c&p the 2 VectorCopy statements into your souce hopefully
// Carmac/Cash will stick this into the next bugfix release

// Taken from ~1070 in function 
// void ai_run (edict_t *self, float dist)

if (right < 1)
{
	VectorSet(v, d2 * right * 0.5, 16, 0);

	// right_target was being generated here but not used!!!
	G_ProjectSource (self->s.origin, v, v_forward, v_right, right_target);

	// gi.dprintf("incomplete path, go part way and adjust again\n");
}

VectorCopy (self->monsterinfo.last_sighting, self->monsterinfo.saved_goal);
self->monsterinfo.aiflags |= AI_PURSUE_TEMP;

// The following two statements were refering too left_target so the
// monster would always go left when searching
VectorCopy (right_target, self->goalentity->s.origin);
VectorCopy (right_target, self->monsterinfo.last_sighting);

VectorSubtract (self->goalentity->s.origin, self->s.origin, v);
self->s.angles[YAW] = self->ideal_yaw = vectoyaw(v);
// gi.dprintf("adjusted right\n");
// debug_drawline(self.origin, self.last_sighting, 152);