diff --git a/papi/main.py b/papi/main.py
index 3ced1bf..4d2a695 100644
--- a/papi/main.py
+++ b/papi/main.py
@@ -57,6 +57,7 @@ class Notifier:
             {"changes": changes, "status": [x for x in status]}
         )
 
+    @staticmethod
     def error_sonde(idsonde, kind="perte_contact_api"):
         notifications[idsonde].append(
             {