diff --git a/scapy/packet.py b/scapy/packet.py
index 55710abb1b6cf49abe49ba72cea43572d213084f..d6b002385986438e12817a5fcdced14445dc228a 100644
--- a/scapy/packet.py
+++ b/scapy/packet.py
@@ -15,6 +15,7 @@ from base_classes import BasePacket,Gen,SetGen,Packet_metaclass,NewDefaultValues
 from volatile import VolatileValue
 from utils import import_hexcap,tex_escape,colgen,get_temp_file
 from error import Scapy_Exception,log_runtime
+import subprocess
 
 try:
     import pyx