diff --git a/server/app/adapters/postgres.py b/server/app/adapters/postgres.py
index cb0a596..ff1bd8b 100644
--- a/server/app/adapters/postgres.py
+++ b/server/app/adapters/postgres.py
@@ -3,6 +3,7 @@ import time
 
 import psycopg2
 from psycopg2.extensions import connection
+
 from ports import DeviceRepository, ReadingRepository
 from domain.exceptions import DatabaseConnectionError, DatabaseError
 
@@ -40,7 +41,7 @@ class PgDeviceRepository(DeviceRepository):
                 cur.execute(
                     "SELECT device_id FROM device WHERE device_eui = %s", (dev_eui,)
                 )
-                return str(cur.fetchone()[0])
+                return str(cur.fetchone()[0])  # type: ignore
         except psycopg2.DatabaseError as e:
             raise DatabaseError(f"Erreur de création du device {dev_eui}") from e