diff --git a/erpnext/selling/doctype/quotation/quotation.py b/erpnext/selling/doctype/quotation/quotation.py
index ab74f7f738bc..654f2978fe9c 100644
--- a/erpnext/selling/doctype/quotation/quotation.py
+++ b/erpnext/selling/doctype/quotation/quotation.py
@@ -127,7 +127,8 @@ def set_indicator(self):
 	def validate(self):
 		super(Quotation, self).validate()
 		self.set_status()
-		self.validate_uom_is_integer("stock_uom", "qty")
+		self.validate_uom_is_integer("stock_uom", "stock_qty")
+		self.validate_uom_is_integer("uom", "qty")
 		self.validate_valid_till()
 		self.set_customer_name()
 		if self.items:
diff --git a/erpnext/selling/doctype/quotation/test_quotation.py b/erpnext/selling/doctype/quotation/test_quotation.py
index ecb7d097b821..2a4855e3186b 100644
--- a/erpnext/selling/doctype/quotation/test_quotation.py
+++ b/erpnext/selling/doctype/quotation/test_quotation.py
@@ -593,6 +593,22 @@ def test_alternative_items_sales_order_mapping_with_stock_items(self):
 		quotation.reload()
 		self.assertEqual(quotation.status, "Ordered")
 
+	def test_uom_validation(self):
+		from erpnext.stock.doctype.item.test_item import make_item
+
+		item = "_Test Item FOR UOM Validation"
+		make_item(item, {"is_stock_item": 1})
+
+		if not frappe.db.exists("UOM", "lbs"):
+			frappe.get_doc({"doctype": "UOM", "uom_name": "lbs", "must_be_whole_number": 1}).insert()
+		else:
+			frappe.db.set_value("UOM", "lbs", "must_be_whole_number", 1)
+
+		quotation = make_quotation(item_code=item, qty=1, rate=100, do_not_submit=1)
+		quotation.items[0].uom = "lbs"
+		quotation.items[0].conversion_factor = 2.23
+		self.assertRaises(frappe.ValidationError, quotation.save)
+
 
 test_records = frappe.get_test_records("Quotation")