diff --git a/erpnext/controllers/accounts_controller.py b/erpnext/controllers/accounts_controller.py
index 8558cea..78645e0 100644
--- a/erpnext/controllers/accounts_controller.py
+++ b/erpnext/controllers/accounts_controller.py
@@ -1079,9 +1079,14 @@
 		return amount, base_amount
 
 	def make_discount_gl_entries(self, gl_entries):
-		enable_discount_accounting = cint(
-			frappe.db.get_single_value("Selling Settings", "enable_discount_accounting")
-		)
+		if self.doctype == "Purchase Invoice":
+			enable_discount_accounting = cint(
+				frappe.db.get_single_value("Buying Settings", "enable_discount_accounting")
+			)
+		elif self.doctype == "Sales Invoice":
+			enable_discount_accounting = cint(
+				frappe.db.get_single_value("Selling Settings", "enable_discount_accounting")
+			)
 
 		if enable_discount_accounting:
 			if self.doctype == "Purchase Invoice":