diff --git a/erpnext/payroll/doctype/salary_slip/salary_slip.py b/erpnext/payroll/doctype/salary_slip/salary_slip.py
index 232b5f39a7d..0563541eaa5 100644
--- a/erpnext/payroll/doctype/salary_slip/salary_slip.py
+++ b/erpnext/payroll/doctype/salary_slip/salary_slip.py
@@ -1063,27 +1063,26 @@ class SalarySlip(TransactionBase):
 			)
 			exempted_amount = flt(exempted_amount[0][0]) if exempted_amount else 0
 
-		opening_taxable_earning = self.get_opening_for(
+		opening_taxable_earning = self.get_opening_balance_for(
 			"taxable_earnings_till_date", start_date, end_date
 		)
 
 		return (taxable_earnings + opening_taxable_earning) - exempted_amount
 
-	def get_opening_for(self, field_to_select, start_date, end_date):
-		return (
-			frappe.db.get_value(
-				"Salary Structure Assignment",
-				{
-					"employee": self.employee,
-					"salary_structure": self.salary_structure,
-					"from_date": ["between", [start_date, end_date]],
-					"docstatus": 1,
-				},
-				field_to_select,
-			)
-			or 0
+	def get_opening_balance_for(self, field_to_select, start_date, end_date):
+		opening_balance = frappe.db.get_all(
+			"Salary Structure Assignment",
+			{
+				"employee": self.employee,
+				"salary_structure": self.salary_structure,
+				"from_date": ["between", (start_date, end_date)],
+				"docstatus": 1,
+			},
+			field_to_select,
 		)
 
+		return opening_balance[0].get(field_to_select) if opening_balance else 0.0
+
 	def get_tax_paid_in_period(self, start_date, end_date, tax_component):
 		# find total_tax_paid, tax paid for benefit, additional_salary
 		total_tax_paid = flt(
@@ -1111,7 +1110,9 @@ class SalarySlip(TransactionBase):
 			)[0][0]
 		)
 
-		tax_deducted_till_date = self.get_opening_for("tax_deducted_till_date", start_date, end_date)
+		tax_deducted_till_date = self.get_opening_balance_for(
+			"tax_deducted_till_date", start_date, end_date
+		)
 
 		return total_tax_paid + tax_deducted_till_date