diff --git a/erpnext/payroll/doctype/salary_slip/salary_slip.py b/erpnext/payroll/doctype/salary_slip/salary_slip.py
index 9f46d50e588..99d8a8317cd 100644
--- a/erpnext/payroll/doctype/salary_slip/salary_slip.py
+++ b/erpnext/payroll/doctype/salary_slip/salary_slip.py
@@ -1163,7 +1163,7 @@ class SalarySlip(TransactionBase):
 				'end_date' : ['<', self.start_date]
 			})
 
-		year_to_date = flt(salary_slip_sum[0].sum) if salary_slip_sum else 0.0
+		month_to_date = flt(salary_slip_sum[0].sum) if salary_slip_sum else 0.0
 
 		month_to_date += self.net_pay
 		self.month_to_date = month_to_date
diff --git a/erpnext/payroll/doctype/salary_structure/test_salary_structure.py b/erpnext/payroll/doctype/salary_structure/test_salary_structure.py
index 2b249c7a197..f2fb558a14b 100644
--- a/erpnext/payroll/doctype/salary_structure/test_salary_structure.py
+++ b/erpnext/payroll/doctype/salary_structure/test_salary_structure.py
@@ -155,7 +155,10 @@ def create_salary_structure_assignment(employee, salary_structure, from_date=Non
 	if not payroll_period:
 		payroll_period = create_payroll_period()
 
-	income_tax_slab = create_tax_slab(payroll_period, allow_tax_exemption=True, currency=currency)
+	income_tax_slab = frappe.db.get_value("Income Tax Slab", {"currency": currency})
+
+	if not income_tax_slab:
+		income_tax_slab = create_tax_slab(payroll_period, allow_tax_exemption=True, currency=currency)
 
 	salary_structure_assignment = frappe.new_doc("Salary Structure Assignment")
 	salary_structure_assignment.employee = employee