diff --git a/discovery/constants.py b/discovery/constants.py
index a7478fd9..5778a33e 100644
--- a/discovery/constants.py
+++ b/discovery/constants.py
@@ -263,6 +263,8 @@ def filter(lst):
     new_lst = []
     for item in lst:
         if (item[0].isalpha() or item[0].isdigit()) and ('xxx' not in item) and ('..' not in item):
+                if '252f' in item:
+                    item = item.replace('252f', '')
                 new_lst.append(item.lower())
     return new_lst