diff --git a/pcaper/pcaper.py b/pcaper/pcaper.py
index 54a285b..4145fc9 100644
--- a/pcaper/pcaper.py
+++ b/pcaper/pcaper.py
@@ -12,6 +12,7 @@
 
 from __future__ import unicode_literals
 import dpkt
+from dpkt.udp import UDP
 import socket
 from dpkt.compat import BytesIO
 import re
@@ -457,6 +458,8 @@ def read_pcap(self, params):
             ip_packet = eth_packet.data
             if not hasattr(ip_packet, 'data'):
                 continue
+            if isinstance(ip_packet.data, UDP):
+                continue
             tcp_packet = ip_packet.data
             if not hasattr(tcp_packet, 'data'):
                 continue