diff --git a/containers/dnsmasq/dnsmasq.conf.j2 b/containers/dnsmasq/dnsmasq.conf.j2
index e0d77d1a1..c1c8108df 100644
--- a/containers/dnsmasq/dnsmasq.conf.j2
+++ b/containers/dnsmasq/dnsmasq.conf.j2
@@ -11,7 +11,7 @@ log-facility=-
 conf-dir=/etc/dnsmasq.d
 
 {% if env.PROVISIONER_INTERFACE is defined -%}
-interface={{ PROVISIONER_INTERFACE }}
+interface={{ env.PROVISIONER_INTERFACE }}
 bind-dynamic
 {%- else -%}
 except-interface=lo