diff --git a/roles/dnsmasq/templates/dns-update.j2 b/roles/dnsmasq/templates/dns-update.j2
index 69b0351..89ac0c2 100644
--- a/roles/dnsmasq/templates/dns-update.j2
+++ b/roles/dnsmasq/templates/dns-update.j2
@@ -1,5 +1,10 @@
 #!/bin/sh
 
+# don’t spam the DNS server when starting dnsmasq
+if [ -n "${DNSMASQ_INTERFACE}" ] ; then
+	exit
+fi
+
 domain={{ domain }}
 ldap_user={{ password.ldap_user }}
 ttl=3600