diff --git a/mdproxy.py b/mdproxy.py
index 790ed968d0fd85ba9ba30a7ac51ad8fb293bb9de..a347364f1fc879a8fee4b21a22dc4c95a4b4ecc1 100755
--- a/mdproxy.py
+++ b/mdproxy.py
@@ -9,6 +9,10 @@ from isoduration import parse_duration
 
 from utils import read_config, hasher, Entity
 
+import logging
+log = logging.getLogger('werkzeug')
+log.setLevel(logging.ERROR)
+
 config = read_config('mdproxy.yaml')
 app = Flask(__name__)
 
diff --git a/mdserver.py b/mdserver.py
index 1ed376d672a00fdaa8ce4f41870f8176fc7091c0..a0c01690cddb36ad51afdf4ba1c2bf7c3ebb50cd 100755
--- a/mdserver.py
+++ b/mdserver.py
@@ -2,6 +2,10 @@
 from utils import read_config, Resource
 from flask import Flask, Response
 
+import logging
+log = logging.getLogger('werkzeug')
+log.setLevel(logging.ERROR)
+
 config = read_config('mdserver.yaml')
 app = Flask(__name__)
 server = {}