diff --git a/scapy/arch/pcapdnet.py b/scapy/arch/pcapdnet.py
index dbdbc42098ce56bc46667e001da50788cd56978b..f5e6d5da552f06e812f7fc3d529f992d08e5dd9d 100644
--- a/scapy/arch/pcapdnet.py
+++ b/scapy/arch/pcapdnet.py
@@ -7,6 +7,7 @@ import time,struct
 from fcntl import ioctl
 from scapy.data import *
 from scapy.config import conf
+from scapy.utils import warning
 from scapy.supersocket import SuperSocket
 import scapy.arch