diff --git a/pokemonred_puffer/environment.py b/pokemonred_puffer/environment.py
index 7fa08ae..297cf6a 100644
--- a/pokemonred_puffer/environment.py
+++ b/pokemonred_puffer/environment.py
@@ -309,7 +309,7 @@ def init_mem(self):
         self.seen_hidden_objs = {}
 
         self.cut_coords = {}
-        self.cut_tiles = set([])
+        self.cut_tiles = {}  # set([])
         self.cut_state = deque(maxlen=3)
 
         self.seen_start_menu = 0
@@ -809,7 +809,11 @@ def update_seen_coords(self):
         x_pos, y_pos, map_n = self.get_game_coords()
         self.seen_coords[(x_pos, y_pos, map_n)] = 1
         self.seen_coords_since_blackout.add((x_pos, y_pos, map_n))
-        self.explore_map[local_to_global(y_pos, x_pos, map_n)] = 1
+        try:
+            self.explore_map[local_to_global(y_pos, x_pos, map_n)] = 1
+        except IndexError:
+            gy, gx = local_to_global(y_pos, x_pos, map_n)
+            print(f"coord out of bounds! global: ({gx}, {gy}) game: ({x_pos}, {y_pos}, {map_n})")
         # self.seen_global_coords[local_to_global(y_pos, x_pos, map_n)] = 1
         self.seen_map_ids[map_n] = 1
         self.seen_map_ids_since_blackout.add(map_n)