diff --git a/erpnext/manufacturing/doctype/production_planning_tool/production_planning_tool.py b/erpnext/manufacturing/doctype/production_planning_tool/production_planning_tool.py
index 815e504..1d57a2f 100644
--- a/erpnext/manufacturing/doctype/production_planning_tool/production_planning_tool.py
+++ b/erpnext/manufacturing/doctype/production_planning_tool/production_planning_tool.py
@@ -12,10 +12,6 @@
 from erpnext.manufacturing.doctype.production_order.production_order import get_item_details
 
 class ProductionPlanningTool(Document):
-	def __init__(self, arg1, arg2=None):
-		super(ProductionPlanningTool, self).__init__(arg1, arg2)
-		self.item_dict = {}
-
 	def clear_table(self, table_name):
 		self.set(table_name, [])
 
@@ -398,6 +394,9 @@
 		return bom_wise_item_details
 
 	def make_items_dict(self, item_list):
+		if not getattr(self, "item_dict", None):
+			self.item_dict = {}
+
 		for i in item_list:
 			self.item_dict.setdefault(i[0], []).append([flt(i[1]), i[2], i[3], i[4], i[5]])
 
diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index 908d591..c83e6df 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -379,7 +379,7 @@
 				var company_currency = me.get_company_currency();
 				var company_doc = frappe.get_doc(":Company", me.frm.doc.company);
 
-				if (!me.frm.doc.currency || me.frm.doc.currency != company_currency) {
+				if (!me.frm.doc.currency) {
 					me.frm.set_value("currency", company_currency);
 				}