diff --git a/frappe/__init__.py b/frappe/__init__.py
index e1fe790b45..554f1f9747 100644
--- a/frappe/__init__.py
+++ b/frappe/__init__.py
@@ -10,7 +10,7 @@ from six import iteritems, binary_type, text_type, string_types, PY2
 from werkzeug.local import Local, release_local
 import os, sys, importlib, inspect, json
 from past.builtins import cmp
-
+import click
 from faker import Faker
 
 # public
@@ -226,12 +226,20 @@ def get_site_config(sites_path=None, site_path=None):
 	if sites_path:
 		common_site_config = os.path.join(sites_path, "common_site_config.json")
 		if os.path.exists(common_site_config):
-			config.update(get_file_json(common_site_config))
+			try:
+				config.update(get_file_json(common_site_config))
+			except Exception as error:
+				click.secho("common_site_config.json is invalid", fg="red")
+				print(error)
 
 	if site_path:
 		site_config = os.path.join(site_path, "site_config.json")
 		if os.path.exists(site_config):
-			config.update(get_file_json(site_config))
+			try:
+				config.update(get_file_json(site_config))
+			except Exception as error:
+				click.secho("{0}/site_config.json is invalid".format(local.site), fg="red")
+				print(error)
 		elif local.site and not local.flags.new_site:
 			raise IncorrectSitePath("{0} does not exist".format(local.site))