diff --git a/python/06_linkedlist/singlyLinkedList.py b/python/06_linkedlist/singlyLinkedList.py
index ec090a91..12a037dc 100644
--- a/python/06_linkedlist/singlyLinkedList.py
+++ b/python/06_linkedlist/singlyLinkedList.py
@@ -276,7 +276,7 @@ def has_ring(self):
         slow = self.__head
 
         while (fast.next_node is not None) and (fast is not None):
-            fast = fast.next_node
+            fast = fast.next_node.next_node
             slow = slow.next_node
             if fast == slow:
                 return True