diff --git a/comptages/core/importer.py b/comptages/core/importer.py
index d692d632..08f5e188 100644
--- a/comptages/core/importer.py
+++ b/comptages/core/importer.py
@@ -418,7 +418,7 @@ def guess_count(file_path):
         id_installation__active=True,
         id_class__name=header['CLASS'],
         start_service_date__lte=header['STARTREC'],
-        end_service_date__gte=header['STOPREC'],
+        end_service_date__gte=header['STOPREC'] - timedelta(seconds=1),  # To manage datetimes like 01.01.2022 00.00 that should be equal to 31.12.2021
     )
 
     if len(result) > 0: