diff --git a/day-12/day-12.py b/day-12/day-12.py
index 3cd7439..603edbc 100644
--- a/day-12/day-12.py
+++ b/day-12/day-12.py
@@ -20,7 +20,7 @@ def process_node(node, available_edges, visited):
 
 
 def process_node_twice(node, available_edges, visited, visited_twice):
-    paths = deque()
+    paths = []
     if node == "end":
         paths.append([node])
         return paths