diff --git a/addons/fleet/report/fleet_report.py b/addons/fleet/report/fleet_report.py
index b3da16fb8a4..fe59895e145 100644
--- a/addons/fleet/report/fleet_report.py
+++ b/addons/fleet/report/fleet_report.py
@@ -50,8 +50,8 @@ WITH service_costs AS (
         fleet_category fl ON fl.id = ve.fleet_id
     CROSS JOIN generate_series((
             SELECT
-                min(acquisition_date)
-                FROM fleet_vehicle), CURRENT_DATE, '1 month') d
+                min(date)
+                FROM fleet_vehicle_log_services), CURRENT_DATE, '1 month') d
         LEFT JOIN fleet_vehicle_log_services se ON se.vehicle_id = ve.id
             AND date_trunc('month', se.date) = date_trunc('month', d)
     WHERE