diff --git a/defaults/main.yml b/defaults/main.yml
index de90538..7092798 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -50,9 +50,19 @@ dhcpd_relay_interfaces: []
 dhcpd_relay_options: '-4'
 
 
-# ----------------------------------------
-#   Global ISC DHCP Server configuration
-# ----------------------------------------
+# ---------------------------------
+#   ISC DHCP Server configuration
+# ---------------------------------
+
+# .. envvar:: dhcpd_server_options
+#
+# dhcpd(8) options
+dhcpd_server_options: '-4'
+
+
+# ---------------------------
+#   DHCP main configuration
+# ---------------------------
 
 # .. envvar:: dhcpd_authoritative
 #
diff --git a/templates/etc/default/isc-dhcp-server.j2 b/templates/etc/default/isc-dhcp-server.j2
index 430430e..69347d7 100644
--- a/templates/etc/default/isc-dhcp-server.j2
+++ b/templates/etc/default/isc-dhcp-server.j2
@@ -16,7 +16,7 @@
 
 # Additional options to start dhcpd with.
 #	Don't use options -cf or -pf here; use DHCPD_CONF/ DHCPD_PID instead
-#OPTIONS=""
+OPTIONS="{{ dhcpd_server_options }}"
 
 # On what interfaces should the DHCP server (dhcpd) serve DHCP requests?
 #	Separate multiple interfaces with spaces, e.g. "eth0 eth1".