diff --git a/chapter04/find_ddos.py b/chapter04/find_ddos.py
index ef864dc..1f38ad2 100644
--- a/chapter04/find_ddos.py
+++ b/chapter04/find_ddos.py
@@ -92,5 +92,10 @@ def find_attack(pcap):
     with open(pcap_file, 'rb') as file:
         _pcap = dpkt.pcap.Reader(file)
         find_download(_pcap)
+    with open(pcap_file, 'rb') as file:
+        _pcap = dpkt.pcap.Reader(file)
         find_hivemind(_pcap)
+            
+    with open(pcap_file, 'rb') as file:
+        _pcap = dpkt.pcap.Reader(file)
         find_attack(_pcap)