--- a/annot-server/oscserver.py	Thu Oct 16 16:23:06 2014 +0200
+++ b/annot-server/oscserver.py	Thu Oct 16 18:25:21 2014 +0200
@@ -14,6 +14,8 @@
 
 import ntplib
 
+from dateutil.tz import tzutc
+
 from baseserver import BaseProtocol
 import utils
 
@@ -31,7 +33,7 @@
     def processPianorollAnnotation(self, message, address):
 
         values = message.getValues()
-        ts = datetime.datetime.utcfromtimestamp(ntplib.ntp_to_system_time(values[0]))
+        ts = datetime.datetime.fromtimestamp(ntplib.ntp_to_system_time(values[0]), tzutc())
 
         params = {
             'ts' : ts,