diff --git a/neutron/files/pike/neutron-server.conf b/neutron/files/pike/neutron-server.conf
index 0fd5823..e528110 100644
--- a/neutron/files/pike/neutron-server.conf
+++ b/neutron/files/pike/neutron-server.conf
@@ -140,7 +140,7 @@
 # DHCP lease duration (in seconds). Use -1 to tell dnsmasq to use infinite
 # lease times. (integer value)
 #dhcp_lease_duration = 86400
-dhcp_lease_duration = {{ server.dhcp_lease_duration|default('600') }}
+dhcp_lease_duration = {{ server.dhcp_lease_duration|default('86400') }}
 
 # Domain to use for building the hostnames (string value)
 #dns_domain = openstacklocal
diff --git a/neutron/files/queens/neutron-server.conf b/neutron/files/queens/neutron-server.conf
index 11376de..1ba599f 100644
--- a/neutron/files/queens/neutron-server.conf
+++ b/neutron/files/queens/neutron-server.conf
@@ -120,7 +120,7 @@
 # DHCP lease duration (in seconds). Use -1 to tell dnsmasq to use infinite
 # lease times. (integer value)
 #dhcp_lease_duration = 86400
-dhcp_lease_duration = {{ server.dhcp_lease_duration|default('600') }}
+dhcp_lease_duration = {{ server.dhcp_lease_duration|default('86400') }}
 
 # Domain to use for building the hostnames (string value)
 #dns_domain = openstacklocal