diff --git a/frappe/__version__.py b/frappe/__version__.py
index 16b7fe8596..6800025a9e 100644
--- a/frappe/__version__.py
+++ b/frappe/__version__.py
@@ -1,2 +1,2 @@
 from __future__ import unicode_literals
-__version__ = "4.13.2"
+__version__ = "4.13.3"
diff --git a/frappe/core/doctype/comment/comment.py b/frappe/core/doctype/comment/comment.py
index 95d27618ef..e17b1d18df 100644
--- a/frappe/core/doctype/comment/comment.py
+++ b/frappe/core/doctype/comment/comment.py
@@ -60,6 +60,8 @@ class Comment(Document):
 				raise
 
 	def update_comments_in_parent(self, _comments):
+		if frappe.db.get_value("DocType", self.comment_doctype, "issingle"):
+			return
 		# use sql, so that we do not mess with the timestamp
 		frappe.db.sql("""update `tab%s` set `_comments`=%s where name=%s""" % (self.comment_doctype,
 			"%s", "%s"), (json.dumps(_comments), self.comment_docname))
diff --git a/frappe/hooks.py b/frappe/hooks.py
index a9ac1a9ddf..7efaea3270 100644
--- a/frappe/hooks.py
+++ b/frappe/hooks.py
@@ -4,7 +4,7 @@ app_title = "Frappe Framework"
 app_publisher = "Web Notes Technologies Pvt. Ltd."
 app_description = "Full Stack Web Application Framework in Python"
 app_icon = "assets/frappe/images/frappe.svg"
-app_version = "4.13.2"
+app_version = "4.13.3"
 app_color = "#3498db"
 app_email = "support@frappe.io"
 
diff --git a/frappe/translate.py b/frappe/translate.py
index bfa34d92bd..a0412a9b0b 100644
--- a/frappe/translate.py
+++ b/frappe/translate.py
@@ -138,7 +138,8 @@ def get_lang_js(fortype, name):
 def get_full_dict(lang):
 	if lang == "en":
 		return {}
-	return frappe.cache().get_value("lang:" + lang, lambda:load_lang(lang))
+	translations = load_lang(lang)
+	return frappe.cache().get_value("lang:" + lang, lambda:translations) if translations else {}
 
 def load_lang(lang, apps=None):
 	out = {}
diff --git a/setup.py b/setup.py
index cececb1e75..c64e13ff99 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 import os
 
-version = "4.13.2"
+version = "4.13.3"
 
 with open("requirements.txt", "r") as f:
 	install_requires = f.readlines()