diff --git a/erpnext/__version__.py b/erpnext/__version__.py
index 0e9fff975b..fc9d7efea2 100644
--- a/erpnext/__version__.py
+++ b/erpnext/__version__.py
@@ -1,2 +1,2 @@
 from __future__ import unicode_literals
-__version__ = '6.18.3'
+__version__ = '6.18.4'
diff --git a/erpnext/hooks.py b/erpnext/hooks.py
index f886b6f0c0..8d1815ac61 100644
--- a/erpnext/hooks.py
+++ b/erpnext/hooks.py
@@ -7,7 +7,7 @@ app_publisher = "Frappe Technologies Pvt. Ltd."
 app_description = """ERP made simple"""
 app_icon = "icon-th"
 app_color = "#e74c3c"
-app_version = "6.18.3"
+app_version = "6.18.4"
 app_email = "info@erpnext.com"
 app_license = "GNU General Public License (v3)"
 source_link = "https://github.com/frappe/erpnext"
diff --git a/erpnext/stock/get_item_details.py b/erpnext/stock/get_item_details.py
index cc80d1ee44..1c0acce8ef 100644
--- a/erpnext/stock/get_item_details.py
+++ b/erpnext/stock/get_item_details.py
@@ -84,7 +84,7 @@ def process_args(args):
 		args.item_code = get_item_code(barcode=args.barcode)
 	elif not args.item_code and args.serial_no:
 		args.item_code = get_item_code(serial_no=args.serial_no)
-	
+
 	set_transaction_type(args)
 
 	return args
@@ -200,7 +200,7 @@ def get_default_cost_center(args, item):
 		or args.get("cost_center"))
 
 def get_price_list_rate(args, item_doc, out):
-	meta = frappe.get_meta(args.parenttype)
+	meta = frappe.get_meta(args.doctype)
 
 	if meta.get_field("currency"):
 		validate_price_list(args)
@@ -288,7 +288,7 @@ def get_party_item_code(args, item_doc, out):
 	if args.transaction_type=="selling" and args.customer:
 		customer_item_code = item_doc.get("customer_items", {"customer_name": args.customer})
 		out.customer_item_code = customer_item_code[0].ref_code if customer_item_code else None
-		
+
 	if args.transaction_type=="buying" and args.supplier:
 		item_supplier = item_doc.get("supplier_items", {"supplier": args.supplier})
 		out.supplier_part_no = item_supplier[0].supplier_part_no if item_supplier else None
diff --git a/setup.py b/setup.py
index 45986713f9..edf2617035 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 from pip.req import parse_requirements
 
-version = "6.18.3"
+version = "6.18.4"
 requirements = parse_requirements("requirements.txt", session="")
 
 setup(