diff --git a/wfb_ng/cli.py b/wfb_ng/cli.py
index 7f74103c..a8a6e66b 100644
--- a/wfb_ng/cli.py
+++ b/wfb_ng/cli.py
@@ -129,7 +129,7 @@ class AntennaStat(Int32StringReceiver):
     MAX_LENGTH = 1024 * 1024
 
     def stringReceived(self, string):
-        attrs = msgpack.unpackb(string, strict_map_key=False, use_list=False)
+        attrs = msgpack.unpackb(string, strict_map_key=False, use_list=False, raw=False)
 
         if attrs['type'] == 'rx':
             self.draw_rx(attrs)
diff --git a/wfb_ng/log_parser.py b/wfb_ng/log_parser.py
index 2dae961b..8c636201 100644
--- a/wfb_ng/log_parser.py
+++ b/wfb_ng/log_parser.py
@@ -24,7 +24,7 @@ def main():
                 if len(data) < data_len:
                     break
 
-                msg =  msgpack.unpackb(data, strict_map_key=False, use_list=False)
+                msg =  msgpack.unpackb(data, strict_map_key=False, use_list=False, raw=False)
                 ts = msg.pop('timestamp')
                 mtype = msg.pop('type')
 
diff --git a/wfb_ng/server.py b/wfb_ng/server.py
index 0439dd9d..ff9b5d8d 100644
--- a/wfb_ng/server.py
+++ b/wfb_ng/server.py
@@ -76,7 +76,7 @@ class BinLogger(ErrorSafeLogFile):
     log_cls = BinLogFile
 
     def send_stats(self, data):
-        data = msgpack.packb(data)
+        data = msgpack.packb(data, use_bin_type=True)
         self.write(b''.join((struct.pack('!I', len(data)), data)))
 
 
@@ -84,7 +84,7 @@ class StatisticsProtocol(Int32StringReceiver):
     MAX_LENGTH = 1024 * 1024
 
     def connectionMade(self):
-        self.sendString(msgpack.packb(dict(type='cli_title', cli_title=self.factory.cli_title)))
+        self.sendString(msgpack.packb(dict(type='cli_title', cli_title=self.factory.cli_title), use_bin_type=True))
         self.factory.ui_sessions.append(self)
 
     def stringReceived(self, string):
@@ -94,7 +94,7 @@ def connectionLost(self, reason):
         self.factory.ui_sessions.remove(self)
 
     def send_stats(self, data):
-        self.sendString(msgpack.packb(data))
+        self.sendString(msgpack.packb(data, use_bin_type=True))
 
 
 class StatsAndSelectorFactory(Factory):