diff --git a/scripts/fast-reboot-dump.py b/scripts/fast-reboot-dump.py
index eebb2a8a5e..340ecae1cc 100644
--- a/scripts/fast-reboot-dump.py
+++ b/scripts/fast-reboot-dump.py
@@ -39,9 +39,12 @@ def generate_neighbor_entries(filename, all_available_macs):
         arp_output.append(obj)
 
         ip_addr = key.split(':')[2]
-        if ipaddress.ip_interface(ip_addr).ip.version != 4:
+        try:
+            ipaddress.IPv4Address(ip_addr.decode())
+        except ipaddress.AddressValueError:
             #This is ipv6 address
             ip_addr = key.replace(key.split(':')[0] + ':' + key.split(':')[1] + ':', '')
+
         neighbor_entries.append((vlan_name, mac, ip_addr))
         syslog.syslog(syslog.LOG_INFO, "Neighbor entry: [Vlan: %s, Mac: %s, Ip: %s]" % (vlan_name, mac, ip_addr))