diff --git a/freqtrade/rpc/api_server.py b/freqtrade/rpc/api_server.py
index 7a006b202..af1d76c87 100644
--- a/freqtrade/rpc/api_server.py
+++ b/freqtrade/rpc/api_server.py
@@ -4,7 +4,7 @@ import logging
 # import json
 from typing import Dict
 
-from flask import Flask, request, jsonify
+from flask import Flask, request
 # from flask_restful import Resource, Api
 from json import dumps
 from freqtrade.rpc.rpc import RPC, RPCException
@@ -91,10 +91,14 @@ class ApiServer(RPC):
     """
 
     def page_not_found(self, error):
-        # Return "404 not found", 404.
-        return jsonify({'status': 'error',
-                        'reason': '''There's no API call for %s''' % request.base_url,
-                        'code': 404}), 404
+        """
+        Return "404 not found", 404.
+        """
+        return json.dumps({
+            'status': 'error',
+            'reason': '''There's no API call for %s''' % request.base_url,
+            'code': 404
+        }), 404
 
     def hello(self):
         """
diff --git a/requirements.txt b/requirements.txt
index 33fbd1523..fbc478607 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,5 +26,4 @@ coinmarketcap==5.0.3
 
 #Added for local rest client
 Flask==1.0.2
-flask-jsonpify==1.5.0
 flask-restful==0.3.6