diff --git a/frappe/model/mapper.py b/frappe/model/mapper.py
index 56677fb528..8623fe83c9 100644
--- a/frappe/model/mapper.py
+++ b/frappe/model/mapper.py
@@ -43,7 +43,7 @@ def get_mapped_doc(from_doctype, from_docname, table_maps, target_doc=None,
 					table_map = {
 						"doctype": target_child_doctype
 					}
-		
+
 		if table_map:
 			for source_d in source_doc.get(df.fieldname):
 				if "condition" in table_map:
@@ -133,10 +133,7 @@ def map_fields(source_doc, target_doc, table_map, source_parent):
 			map_fetch_fields(target_doc, df, no_copy_fields)
 
 def map_fetch_fields(target_doc, df, no_copy_fields):
-	try:
-		linked_doc = frappe.get_doc(df.options, target_doc.get(df.fieldname))
-	except:
-		return
+	linked_doc = None
 
 	# options should be like "link_fieldname.fieldname_in_liked_doc"
 	for fetch_df in target_doc.meta.get("fields", {"options": "^{0}.".format(df.fieldname)}):
@@ -145,6 +142,13 @@ def map_fetch_fields(target_doc, df, no_copy_fields):
 
 		if not target_doc.get(fetch_df.fieldname) and fetch_df.fieldname not in no_copy_fields:
 			source_fieldname = fetch_df.options.split(".")[1]
+
+			if not linked_doc:
+				try:
+					linked_doc = frappe.get_doc(df.options, target_doc.get(df.fieldname))
+				except:
+					return
+
 			val = linked_doc.get(source_fieldname)
 
 			if val not in (None, ""):
@@ -156,6 +160,7 @@ def map_child_doc(source_d, target_parent, table_map, source_parent=None):
 	target_d = frappe.new_doc(target_child_doctype, target_parent, target_parentfield)
 
 	map_doc(source_d, target_d, table_map, source_parent)
+
 	target_d.idx = None
 	target_parent.append(target_parentfield, target_d)
 	return target_d
diff --git a/frappe/public/js/frappe/model/create_new.js b/frappe/public/js/frappe/model/create_new.js
index b53b0c8f45..8c29045ede 100644
--- a/frappe/public/js/frappe/model/create_new.js
+++ b/frappe/public/js/frappe/model/create_new.js
@@ -221,6 +221,7 @@ $.extend(frappe.model, {
 			args: {
 				"source_name": opts.source_name
 			},
+			freeze: true,
 			callback: function(r) {
 				if(!r.exc) {
 					var doc = frappe.model.sync(r.message);