diff --git a/frappe/data/languages.txt b/frappe/data/languages.txt
index 93b2924123..18c6645192 100644
--- a/frappe/data/languages.txt
+++ b/frappe/data/languages.txt
@@ -2,7 +2,7 @@ ar	العربية
 bg	bǎlgarski
 bo  ལྷ་སའི་སྐད་
 bs	bosanski
-bn  বাঙালি
+bn  বাংলা
 ca	català
 cs	česky
 da	dansk
diff --git a/frappe/patches.txt b/frappe/patches.txt
index 5f2eea1175..f25f0ac91d 100644
--- a/frappe/patches.txt
+++ b/frappe/patches.txt
@@ -96,3 +96,4 @@ execute:frappe.db.sql("delete from tabSessions where user is null")
 frappe.patches.v6_2.rename_backup_manager
 execute:frappe.delete_doc("DocType", "Backup Manager")
 frappe.patches.v6_4.reduce_varchar_length
+frappe.patches.v6_4.rename_bengali_language
\ No newline at end of file
diff --git a/frappe/patches/v5_3/rename_chinese_languages.py b/frappe/patches/v5_3/rename_chinese_languages.py
index f70783d2cc..8bc954c04c 100644
--- a/frappe/patches/v5_3/rename_chinese_languages.py
+++ b/frappe/patches/v5_3/rename_chinese_languages.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 import frappe
+from frappe.translate import rename_language
 
 def execute():
 	language_map = {
@@ -8,11 +9,5 @@ def execute():
 		"中國（繁體）": "正體中文"
 	}
 
-	language_in_system_settings = frappe.db.get_single_value("System Settings", "language")
-	if language_in_system_settings in language_map:
-		new_language_name = language_map[language_in_system_settings]
-		frappe.db.set_value("System Settings", "System Settings", "language", new_language_name)
-
 	for old_name, new_name in language_map.items():
-		frappe.db.sql("""update `tabUser` set language=%(new_name)s where language=%(old_name)s""",
-			{ "old_name": old_name, "new_name": new_name })
+		rename_language(old_name, new_name)
diff --git a/frappe/patches/v6_4/rename_bengali_language.py b/frappe/patches/v6_4/rename_bengali_language.py
new file mode 100644
index 0000000000..dbbcb62f8d
--- /dev/null
+++ b/frappe/patches/v6_4/rename_bengali_language.py
@@ -0,0 +1,7 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+import frappe
+from frappe.translate import rename_language
+
+def execute():
+	rename_language("বাঙালি", "বাংলা")
\ No newline at end of file
diff --git a/frappe/translate.py b/frappe/translate.py
index 89a257382c..8e8ec88a44 100644
--- a/frappe/translate.py
+++ b/frappe/translate.py
@@ -529,3 +529,11 @@ def deduplicate_messages(messages):
 
 def get_bench_dir():
 	return os.path.join(frappe.__file__, '..', '..', '..', '..')
+
+def rename_language(old_name, new_name):
+	language_in_system_settings = frappe.db.get_single_value("System Settings", "language")
+	if language_in_system_settings == old_name:
+		frappe.db.set_value("System Settings", "System Settings", "language", new_name)
+
+	frappe.db.sql("""update `tabUser` set language=%(new_name)s where language=%(old_name)s""",
+		{ "old_name": old_name, "new_name": new_name })
\ No newline at end of file