diff --git a/agent.py b/agent.py
index df6b696..2c29443 100644
--- a/agent.py
+++ b/agent.py
@@ -76,13 +76,15 @@ class Agent:
 			next = self.path.pop()
 			self.x = next.x
 			self.y = next.y
-			
+
 	def check_if_can_move(self, next_coords: Coordinates):
-		next_tile = self.warehouse.tiles[next_coords.x][next_coords.y]
+		tile_on_map = 0 <= next_coords.x < self.assigned_warehouse.width and 0 <= next_coords.y < self.assigned_warehouse.height
+		if not tile_on_map:
+			return False
+		next_tile = self.assigned_warehouse.tiles[next_coords.x][next_coords.y]
 		tile_passable = isinstance(next_tile, Tile) and next_tile.category.passable
-		tile_on_map = 0 <= next_coords.x < self.warehouse.width and 0 <= next_coords.y < self.warehouse.height
-		return tile_passable and tile_on_map
-			
+		return tile_passable
+
 	def pick_up_package(self, pack):
 		tile = pack.lays_on_field
 		self.assigned_warehouse.tiles[tile.x_position][tile.y_position] = tile