diff --git a/addons/project_timesheet_holidays/models/resource_calendar_leaves.py b/addons/project_timesheet_holidays/models/resource_calendar_leaves.py
index 6739f2087c7..1a2d8834f49 100644
--- a/addons/project_timesheet_holidays/models/resource_calendar_leaves.py
+++ b/addons/project_timesheet_holidays/models/resource_calendar_leaves.py
@@ -96,7 +96,7 @@ class ResourceCalendarLeaves(models.Model):
         resource_calendars = self._get_resource_calendars()
         work_hours_data = self._work_time_per_day(resource_calendars)
         employees_groups = self.env['hr.employee']._read_group(
-            [('resource_calendar_id', 'in', resource_calendars.ids)],
+            [('resource_calendar_id', 'in', resource_calendars.ids), ('company_id', 'in', self.env.companies.ids)],
             ['resource_calendar_id'],
             ['id:recordset'])
         mapped_employee = {