diff --git a/erpnext/buying/doctype/request_for_quotation/request_for_quotation.js b/erpnext/buying/doctype/request_for_quotation/request_for_quotation.js
index 9ad06f9..2f0cfa6 100644
--- a/erpnext/buying/doctype/request_for_quotation/request_for_quotation.js
+++ b/erpnext/buying/doctype/request_for_quotation/request_for_quotation.js
@@ -134,7 +134,7 @@
 			if (args.search_type === "Tag" && args.tag) {
 				return frappe.call({
 					type: "GET",
-					method: "frappe.desk.tags.get_tagged_docs",
+					method: "frappe.desk.doctype.tag.tag.get_tagged_docs",
 					args: {
 						"doctype": "Supplier",
 						"tag": args.tag
diff --git a/erpnext/buying/doctype/request_for_quotation/request_for_quotation.py b/erpnext/buying/doctype/request_for_quotation/request_for_quotation.py
index a10ce46..95db33b 100644
--- a/erpnext/buying/doctype/request_for_quotation/request_for_quotation.py
+++ b/erpnext/buying/doctype/request_for_quotation/request_for_quotation.py
@@ -344,13 +344,9 @@
 
 @frappe.whitelist()
 def get_supplier_tag():
-	data = frappe.db.sql("select _user_tags from `tabSupplier`")
+	if not frappe.cache().hget("Supplier", "Tags"):
+		filters = {"document_type": "Supplier"}
+		tags = list(set([tag.tag for tag in frappe.get_all("Tag Link", filters=filters, fields=["tag"]) if tag]))
+		frappe.cache().hset("Supplier", "Tags", tags)
 
-	tags = []
-	for tag in data:
-		tags += filter(bool, tag[0].split(","))
-
-	tags = list(set(tags))
-
-	return tags
-
+	return frappe.cache().hget("Supplier", "Tags")