diff --git a/trees/bst_find_inorder_successor.py b/trees/bst_find_successor_inorder.py
similarity index 88%
rename from trees/bst_find_inorder_successor.py
rename to trees/bst_find_successor_inorder.py
index db939cf..200a893 100644
--- a/trees/bst_find_inorder_successor.py
+++ b/trees/bst_find_successor_inorder.py
@@ -3,7 +3,7 @@
 # author: bt3gl
 
 
-def find_inorder_successor(root):
+def find_successor(root, p):
 
     successor = None