diff --git a/dnsmasq/run.sh b/dnsmasq/run.sh
index 3690c94..e3f8068 100644
--- a/dnsmasq/run.sh
+++ b/dnsmasq/run.sh
@@ -6,6 +6,10 @@ CONFIG_PATH=/data/options.json
 DEFAULTS=$(jq --raw-output '.domain' $CONFIG_PATH)
 FORWARDS=$(jq --raw-output '.forwards | length' $CONFIG_PATH)
 HOSTS=$(jq --raw-output '.hosts | length' $CONFIG_PATH)
+INTERFACE=$(jq --raw-output '.interface | length' $CONFIG_PATH)
+
+# Set interface
+echo "interface=$INTERFACE" >> /etc/dnsmasq.conf
 
 # Add default forward servers
 for line in $DEFAULTS; do