diff --git a/python_ruby_and_bash/pyshark_example.py b/python_ruby_and_bash/pyshark_example.py
index 6b8c93c..c2b5e33 100644
--- a/python_ruby_and_bash/pyshark_example.py
+++ b/python_ruby_and_bash/pyshark_example.py
@@ -10,5 +10,6 @@
 
 import pyshark
 
+capture = pyshark.LiveCapture(interface='eth0')
 for packet in capture.sniff_continuously(packet_count=5):
     print ('You just captured a packet:', packet)