diff --git a/src/network/announcethread.py b/src/network/announcethread.py
index 29ed301e..85e69877 100644
--- a/src/network/announcethread.py
+++ b/src/network/announcethread.py
@@ -21,7 +21,7 @@ class AnnounceThread(threading.Thread, StoppableThread):
 
     def run(self):
         lastSelfAnnounced = 0
-        while not self._stopped:
+        while not self._stopped and state.shutdown == 0:
             processed = 0
             if lastSelfAnnounced < time.time() - UDPSocket.announceInterval:
                 self.announceSelf()
diff --git a/src/network/invthread.py b/src/network/invthread.py
index a880607a..1fd4a401 100644
--- a/src/network/invthread.py
+++ b/src/network/invthread.py
@@ -53,7 +53,7 @@ class InvThread(threading.Thread, StoppableThread):
                             continue
                     if len(hashes) > 0:
                         #print "sending inv of %i" % (len(hashes))
-                        connection.writeQueue.put(protocol.CreatePacket('inv', addresses.encodeVarint(len(hashes)) + b"".join(hashes)))
+                        connection.writeQueue.put(protocol.CreatePacket('inv', addresses.encodeVarint(len(hashes)) + "".join(hashes)))
                 self.collectionOfInvs[iterator] = {}
             iterator += 1
             iterator %= InvThread.size
diff --git a/src/network/networkthread.py b/src/network/networkthread.py
index 54c58f12..7e98bcc0 100644
--- a/src/network/networkthread.py
+++ b/src/network/networkthread.py
@@ -5,6 +5,7 @@ from debug import logger
 from helper_threading import StoppableThread
 import network.asyncore_pollchoose as asyncore
 from network.connectionpool import BMConnectionPool
+import state
 
 class BMNetworkThread(threading.Thread, StoppableThread):
     def __init__(self):
@@ -15,10 +16,11 @@ class BMNetworkThread(threading.Thread, StoppableThread):
         logger.info("init asyncore thread")
 
     def run(self):
-        while not self._stopped:
+        while not self._stopped and state.shutdown == 0:
             BMConnectionPool().loop()
 
     def stopThread(self):
+        super(BMNetworkThread, self).stopThread()
         for i in BMConnectionPool().listeningSockets:
             try:
                 i.close()
@@ -37,4 +39,3 @@ class BMNetworkThread(threading.Thread, StoppableThread):
 
         # just in case
         asyncore.close_all()
-        super(BMNetworkThread, self).stopThread()
diff --git a/src/network/receivequeuethread.py b/src/network/receivequeuethread.py
index a0a2c4b8..b31b82b4 100644
--- a/src/network/receivequeuethread.py
+++ b/src/network/receivequeuethread.py
@@ -10,6 +10,7 @@ from inventory import Inventory
 from network.connectionpool import BMConnectionPool
 from network.bmproto import BMProto
 import protocol
+import state
 
 class ReceiveQueueThread(threading.Thread, StoppableThread):
     def __init__(self):
@@ -21,7 +22,7 @@ class ReceiveQueueThread(threading.Thread, StoppableThread):
 
     def run(self):
         lastprinted = int(time.time())
-        while not self._stopped:
+        while not self._stopped and state.shutdown == 0:
             if lastprinted < int(time.time()):
                 lastprinted = int(time.time())
             processed = 0