diff --git a/camelot/core.py b/camelot/core.py
index 58a98ef..3a437b2 100644
--- a/camelot/core.py
+++ b/camelot/core.py
@@ -1,5 +1,7 @@
 # -*- coding: utf-8 -*-
 
+from __future__ import absolute_import
+from io import open
 import os
 import sqlite3
 import zipfile
@@ -592,7 +594,7 @@ class Table(object):
         kw = {"orient": "records"}
         kw.update(kwargs)
         json_string = self.df.to_json(**kw)
-        with open(path, "w") as f:
+        with open(path, "w", encoding="utf-8") as f:
             f.write(json_string)
 
     def to_excel(self, path, **kwargs):