diff --git a/addons/hr_payroll/report/report_payslip_details.py b/addons/hr_payroll/report/report_payslip_details.py
index e8df94d3b5a..1e9839eaa6f 100644
--- a/addons/hr_payroll/report/report_payslip_details.py
+++ b/addons/hr_payroll/report/report_payslip_details.py
@@ -43,7 +43,7 @@ class payslip_details_report(report_sxw.rml_parse):
                 return []
             if rule_categories[0].parent_id:
                 rule_categories.insert(0, rule_categories[0].parent_id)
-                self.get_recursive_parent(rule_categories)
+                get_recursive_parent(rule_categories)
             return rule_categories
 
         res = []