diff --git a/telebot/custom_filters.py b/telebot/custom_filters.py
index 70bf8ed..6d69865 100644
--- a/telebot/custom_filters.py
+++ b/telebot/custom_filters.py
@@ -285,7 +285,7 @@ class StateFilter(AdvancedCustomFilter):
         if isinstance(text, list):
             new_text = []
             for i in text:
-                if isinstance(text, State): i = i.name
+                if isinstance(i, State): i = i.name
                 new_text.append(i)
             text = new_text
         elif isinstance(text, State):