diff --git a/hr_employee_stats_sheet/__manifest__.py b/hr_employee_stats_sheet/__manifest__.py
index 3d4aaf5..14bd280 100755
--- a/hr_employee_stats_sheet/__manifest__.py
+++ b/hr_employee_stats_sheet/__manifest__.py
@@ -1,6 +1,6 @@
 {
     "name": "hr_employee_stats_sheet",
-    "version": "16.0.2.0.0",
+    "version": "16.0.3.0.0",
     "description": "Add global sheet for employee stats",
     "summary": "Add global sheet for employee stats",
     "author": "Nicolas JEUDY",
@@ -15,6 +15,7 @@
         "hr_timesheet",
         "hr_timesheet_sheet",
         "resource",
+        "hr_employee_calendar_planning",
     ],
     "data": [
         "security/ir.model.access.csv",
diff --git a/hr_employee_stats_sheet/models/hr_timesheet_sheet.py b/hr_employee_stats_sheet/models/hr_timesheet_sheet.py
index 867a0e1..da64318 100644
--- a/hr_employee_stats_sheet/models/hr_timesheet_sheet.py
+++ b/hr_employee_stats_sheet/models/hr_timesheet_sheet.py
@@ -100,38 +100,29 @@ class HrTimesheetSheet(models.Model):
                 sheet.recovery_allocation_ids.write({"state": "refuse"})
         return res
 
-    def _get_contracts_in_progress_during_timesheet_sheet_time_period(self):
+    def _get_calendar_in_progress_during_timesheet_time_period(self):
         """
-        get the contracts which was in progress during the timesheet sheet range time
+        get the ressource calendar which was used during the timesheet sheet time period
         """
-        contracts = self.env["hr.contract"].search(
+        #find calendar(s) running over the duration of the timesheet
+        calendars = self.env["hr.employee.calendar"].search(
             [
             ("employee_id", "=", self.employee_id.id),
-            ("state", "in", ("open", "close")),
             ("date_start", "<=", self.date_end),
             "|",
             ("date_end", "=", False),  # pas de date de fin OU
             ("date_end", ">=", self.date_start),  # date de fin après le début
             ],
         )
-        return contracts
-
-    def _get_calendar_in_progress_during_timesheet_time_period(self):
-        """
-        get the ressource calendar which was used during the timesheet sheet time period 
-        """
-        #checks if only one contract runs over the duration of the timesheet
-        contracts = self._get_contracts_in_progress_during_timesheet_sheet_time_period()
-        if len(contracts) > 1:
-            # check if a new contract start during timesheet sheet time period. If yes, raise an error
+        if len(calendars) > 1:
             raise UserError(
-                _("There is a contract starting during the timesheet sheet time period for the employee %s"
-                "Please create a new timesheet sheet starting from the new contract start date")
+                _("There is a calendar starting during the timesheet sheet time period for the employee %s"
+                "Please create a new timesheet sheet starting from the new calendar start date")
                 % self.employee_id.display_name
             )           
         # get the ressource calendar id according to the work contract
-        elif self.employee_id.resource_calendar_id:
-            return self.employee_id.resource_calendar_id
+        elif calendars and calendars[0].calendar_id:
+            return calendars[0].calendar_id
         #get the ressource calendar linked to the employee
         elif self.env.company.resource_calendar_id:
             return self.env.company.resource_calendar_id