diff --git a/src/Pathfinder.cs b/src/Pathfinder.cs
index 6414261..bd0d14a 100644
--- a/src/Pathfinder.cs
+++ b/src/Pathfinder.cs
@@ -14,7 +14,7 @@ namespace WorldOfPeacecraft
 			public uint Y;
 		}
 
-		public static unsafe LinkedList<Coordinate> FindPath (Coordinate posFrom, Coordinate posTo, ITile[,] map)
+		public static unsafe LinkedList<Coordinate> FindPath (Coordinate posFrom, Coordinate posTo, Map map)
 		{
 			PathNode nFrom;
 			nFrom.X = (uint) posFrom.X;
@@ -22,12 +22,13 @@ namespace WorldOfPeacecraft
 			PathNode nTo;
 			nTo.X = (uint) posTo.X;
 			nTo.Y = (uint) posTo.Y;
-			uint mapWidth = (uint) map.GetLength (0);
-			uint mapHeight = (uint) map.GetLength (1);
+			Tile[,] tiles = map.GetTiles();
+			uint mapWidth = (uint) tiles.GetLength (0);
+			uint mapHeight = (uint) tiles.GetLength (1);
 			bool* boolMap = stackalloc bool[(int)(mapWidth * mapHeight)];
 			for (int y = 0; y < mapHeight; y++) {
 				for (int x = 0; x < mapWidth; x++) {
-					boolMap [x + y * mapWidth] = map [x, y].IsWalkable ();
+					boolMap [x + y * mapWidth] = tiles [x, y].IsWalkable ();
 				}
 			}
 			PathNode* result = stackalloc PathNode[(int) (mapHeight * mapWidth)];