diff --git a/erpnext/patches/jan_mar_2012/website/all.py b/erpnext/patches/jan_mar_2012/website/all.py
index d6ad3b1..2a55d72 100644
--- a/erpnext/patches/jan_mar_2012/website/all.py
+++ b/erpnext/patches/jan_mar_2012/website/all.py
@@ -10,3 +10,4 @@
 	patches.jan_mar_2012.website.website.execute()
 	patches.jan_mar_2012.website.cleanups.execute()
 	patches.jan_mar_2012.website.domain_list.execute()
+	patches.jan_mar_2012.website.file_data_rename.execute()
diff --git a/erpnext/patches/jan_mar_2012/website/file_data_rename.py b/erpnext/patches/jan_mar_2012/website/file_data_rename.py
new file mode 100644
index 0000000..aff25db
--- /dev/null
+++ b/erpnext/patches/jan_mar_2012/website/file_data_rename.py
@@ -0,0 +1,56 @@
+import webnotes
+
+def execute():
+	"""
+		* Replace / in names with - in tabFile Data
+		* Change autoname in DocType File Data to FileData-.#####
+		* Change FileData/ to FileData- in tabSeries
+		* In each table containing file_list column, replace / with - in the data of that column
+	"""
+	replace_name_in_file_data()
+	change_autoname_in_tabfile_data()
+	change_file_data_in_tabseries()
+	replace_file_list_column_entries()
+
+
+def replace_name_in_file_data():
+	"""
+		Change / to - in tabFile Data name column entries
+	"""
+	files = webnotes.conn.sql("SELECT name FROM `tabFile Data`")
+	for f in files:
+		if "/" in f[0]:
+			webnotes.conn.sql("UPDATE `tabFile Data` SET name=%s WHERE name=%s", (f[0].replace('/', '-'), f[0]))
+
+
+def change_autoname_in_tabfile_data():
+	"""
+		Change autoname in DocType File Data to FileData-.#####
+	"""
+	webnotes.conn.sql("UPDATE `tabDocType` SET autoname='FileData-.#####' WHERE name='File Data'")
+
+
+def change_file_data_in_tabseries():
+	"""
+		Change FileData/ to FileData- in tabSeries
+	"""
+	webnotes.conn.sql("UPDATE `tabSeries` SET name='FileData-' WHERE name='FileData/'")
+
+
+def replace_file_list_column_entries():
+	"""
+		In each table containing file_list column, replace / with - in the data of that column
+	"""
+	tables = webnotes.conn.sql("SHOW TABLES")
+	tab_list = []
+	for tab in tables:
+		columns = webnotes.conn.sql("DESC `%s`" % tab[0])
+		if 'file_list' in [c[0] for c in columns]:
+			tab_list.append(tab[0])
+
+	for tab in tab_list:
+		data = webnotes.conn.sql("SELECT name, file_list FROM `%s`" % tab)
+		for name, file_list in data:
+			if file_list and "/" in file_list:
+				webnotes.conn.sql("UPDATE `%s` SET file_list='%s' WHERE name='%s'" \
+					% (tab, file_list.replace('/', '-'), name))