diff --git a/dhcp_lever.py b/dhcp_lever.py
index f168f39..9dcc4df 100755
--- a/dhcp_lever.py
+++ b/dhcp_lever.py
@@ -46,7 +46,7 @@ def dhcp_commit(client_ip, client_mac, switch_mac, switch_port):
     try:
         abon = Abon.objects.get(opt82=opt82)
         abon.ip_address = get_or_create_pool_item(client_ip)
-        Abon.is_dhcp = True
+        abon.is_dhcp = True
         abon.save(update_fields=['ip_address'])
         print(_('Ip address update for %s successfull') % abon.get_short_name())
     except Abon.DoesNotExist:
@@ -58,6 +58,7 @@ def dhcp_expiry(client_ip):
         ip_item = IpPoolItem.objects.get(ip=client_ip)
         abon = Abon.objects.get(ip_address=ip_item)
         abon.ip_address = None
+        abon.is_dhcp = True
         abon.save(update_fields=['ip_address'])
     except IpPoolItem.DoesNotExist:
         pass