diff --git a/dom0/qmemman/qmemman_client.py b/dom0/qmemman/qmemman_client.py
index b4bc77e6..e1d5234c 100755
--- a/dom0/qmemman/qmemman_client.py
+++ b/dom0/qmemman/qmemman_client.py
@@ -1,9 +1,14 @@
 import socket
-
+import fcntl
 class QMemmanClient:
 
     def request_memory(self, amount):
         self.sock = socket.socket(socket.AF_UNIX)
+
+        flags = fcntl.fcntl(self.sock.fileno(), fcntl.F_GETFD)
+        flags |= fcntl.FD_CLOEXEC
+        fcntl.fcntl(self.sock.fileno(), fcntl.F_SETFD, flags)
+
         self.sock.connect("/var/run/qubes/qmemman.sock")
         self.sock.send(str(amount)+"\n")
         self.received = self.sock.recv(1024).strip()