diff --git a/graphs/dfs.py b/graphs/dfs.py
index 8fd438b..a65a85b 100644
--- a/graphs/dfs.py
+++ b/graphs/dfs.py
@@ -29,8 +29,7 @@ def dfs(graph, v, discovered):
 
 def iterative_dfs(graph, v, discovered):
  
-    stack = deque()
-    stack.append(v)
+    stack = [v]
  
     while stack: