diff --git a/astar.py b/astar.py
index 599bb55..0447a8d 100644
--- a/astar.py
+++ b/astar.py
@@ -51,7 +51,8 @@ class Node:
         if self.walkable:
             return self.g_cost + self.h_cost
         else:
-            return math.inf
+            return 0
+            # return math.inf
 
 
 class Pathfinding:
@@ -107,7 +108,8 @@ class Pathfinding:
                 self.path = path
             
             for neighbour in self.succ(current_node):
-                if not neighbour.walkable or neighbour in explored:
+                # if not neighbour.walkable or neighbour in explored:
+                if neighbour in explored:
                     continue
                 new_movement_cost_to_neighbour = current_node.g_cost + self.get_distance(current_node,neighbour)
                 if new_movement_cost_to_neighbour < neighbour.g_cost or not neighbour in fringe: