diff --git a/erpnext/accounts/doctype/promotional_scheme/promotional_scheme.js b/erpnext/accounts/doctype/promotional_scheme/promotional_scheme.js
index 920b9a99eac..8926461b01a 100644
--- a/erpnext/accounts/doctype/promotional_scheme/promotional_scheme.js
+++ b/erpnext/accounts/doctype/promotional_scheme/promotional_scheme.js
@@ -21,10 +21,12 @@ frappe.ui.form.on("Promotional Scheme", {
 
 	selling: function (frm) {
 		frm.trigger("set_options_for_applicable_for");
+		frm.toggle_enable("buying", !frm.doc.selling);
 	},
 
 	buying: function (frm) {
 		frm.trigger("set_options_for_applicable_for");
+		frm.toggle_enable("selling", !frm.doc.buying);
 	},
 
 	set_options_for_applicable_for: function (frm) {