diff --git a/src/agenda_culturel/import_tasks/extractor.py b/src/agenda_culturel/import_tasks/extractor.py
index c7e42e9..9af39cb 100644
--- a/src/agenda_culturel/import_tasks/extractor.py
+++ b/src/agenda_culturel/import_tasks/extractor.py
@@ -29,7 +29,7 @@ class Extractor(ABC):
             return start_day
 
     def guess_startswith(text, strs):
-        t = remove_accents(text).lower()
+        t = Extractor.remove_accents(text).lower()
         for i, s in enumerate(strs):
             if t.startswith(s):
                 return i + 1