diff --git a/patches/october_2012/fix_cancelled_gl_entries.py b/patches/october_2012/fix_cancelled_gl_entries.py
new file mode 100644
index 0000000..9d23619
--- /dev/null
+++ b/patches/october_2012/fix_cancelled_gl_entries.py
@@ -0,0 +1,16 @@
+def execute():
+	import webnotes
+	entries = webnotes.conn.sql("""select voucher_type, voucher_no 
+		from `tabGL Entry` group by voucher_type, voucher_no""", as_dict=1)
+	for entry in entries:
+		try:
+			docstatus = webnotes.conn.sql("""select docstatus from `tab%s` where name = %s
+				and docstatus=2""" % (entry['voucher_type'], "%s"), entry['voucher_no'])
+			is_cancelled = docstatus and 'Yes' or None
+			if is_cancelled:
+				webnotes.conn.sql("""update `tabGL Entry` set is_cancelled = 'Yes'
+					where voucher_type = %s and voucher_no = %s""", 
+					(entry['voucher_type'], entry['voucher_no']))
+		except Exception, e:
+			print entry
+			print e