diff --git a/entrance_rando.py b/entrance_rando.py
index a417767036..47664cb685 100644
--- a/entrance_rando.py
+++ b/entrance_rando.py
@@ -186,9 +186,20 @@ class ERPlacementState:
         self.pairings = []
         self.world = world
         self.coupled = coupled
-        self.collection_state = world.multiworld.get_all_state(False, True)
         self.entrance_lookup = entrance_lookup
 
+        # Construct an 'all state', similar to MultiWorld.get_all_state(), but only for the world which is having its
+        # entrances randomized.
+        single_player_all_state = CollectionState(world.multiworld, True)
+        player = world.player
+        for item in world.multiworld.itempool:
+            if item.player == player:
+                world.collect(single_player_all_state, item)
+        for item in world.get_pre_fill_items():
+            world.collect(single_player_all_state, item)
+        single_player_all_state.sweep_for_advancements(world.get_locations())
+        self.collection_state = single_player_all_state
+
     @property
     def placed_regions(self) -> set[Region]:
         return self.collection_state.reachable_regions[self.world.player]
@@ -226,7 +237,7 @@ class ERPlacementState:
         copied_state.blocked_connections[self.world.player].remove(source_exit)
         copied_state.blocked_connections[self.world.player].update(target_entrance.connected_region.exits)
         copied_state.update_reachable_regions(self.world.player)
-        copied_state.sweep_for_advancements()
+        copied_state.sweep_for_advancements(self.world.get_locations())
         # test that at there are newly reachable randomized exits that are ACTUALLY reachable
         available_randomized_exits = copied_state.blocked_connections[self.world.player]
         for _exit in available_randomized_exits:
@@ -402,7 +413,7 @@ def randomize_entrances(
         placed_exits, paired_entrances = er_state.connect(source_exit, target_entrance)
         # propagate new connections
         er_state.collection_state.update_reachable_regions(world.player)
-        er_state.collection_state.sweep_for_advancements()
+        er_state.collection_state.sweep_for_advancements(world.get_locations())
         if on_connect:
             change = on_connect(er_state, placed_exits, paired_entrances)
             if change: