diff --git a/accounts/doctype/journal_voucher/journal_voucher.py b/accounts/doctype/journal_voucher/journal_voucher.py
index 89114dd72ee..79ee19f22f8 100644
--- a/accounts/doctype/journal_voucher/journal_voucher.py
+++ b/accounts/doctype/journal_voucher/journal_voucher.py
@@ -175,9 +175,9 @@ class DocType:
 			if flag == 0 and (flt(diff) != 0):
 				jd = addchild(self.doc, 'entries', 'Journal Voucher Detail', self.doclist)
 				if diff>0:
-					jd.credit = flt(diff)
+					jd.credit = flt(abs(diff))
 				elif diff<0:
-					jd.debit = flt(diff)
+					jd.debit = flt(abs(diff))
 					
 			# Set the total debit, total credit and difference
 			for d in getlist(self.doclist,'entries'):
diff --git a/patches/january_2013/update_number_format.py b/patches/january_2013/update_number_format.py
new file mode 100644
index 00000000000..96284a6f792
--- /dev/null
+++ b/patches/january_2013/update_number_format.py
@@ -0,0 +1,18 @@
+from __future__ import unicode_literals
+
+import webnotes
+
+def execute():
+	from webnotes.country_info import get_all
+	data = get_all()
+
+	webnotes.reload_doc("setup", "doctype", "currency")	
+	
+	for c in data:
+		info = webnotes._dict(data[c])
+		if webnotes.conn.exists("Currency", info.currency):
+			doc = webnotes.doc("Currency", info.currency)
+			doc.fields.update({
+				"number_format": info.number_format,
+			})
+			doc.save()