diff --git a/bitbake/lib/bb/server/process.py b/bitbake/lib/bb/server/process.py
index 3c9ed70689..4bdb84ae37 100644
--- a/bitbake/lib/bb/server/process.py
+++ b/bitbake/lib/bb/server/process.py
@@ -25,6 +25,7 @@ import subprocess
 import errno
 import re
 import datetime
+import gc
 import bb.server.xmlrpcserver
 from bb import daemonize
 from multiprocessing import queues
@@ -671,8 +672,10 @@ class ConnectionWriter(object):
 
     def send(self, obj):
         obj = multiprocessing.reduction.ForkingPickler.dumps(obj)
+        gc.disable()
         with self.wlock:
             self.writer.send_bytes(obj)
+        gc.enable()
 
     def fileno(self):
         return self.writer.fileno()