diff --git a/bind9/Dockerfile b/bind9/Dockerfile
index 2713f94..15bb95c 100644
--- a/bind9/Dockerfile
+++ b/bind9/Dockerfile
@@ -8,6 +8,6 @@ COPY named.conf.options /etc/bind/
 COPY entrypoint.sh /usr/local/bin/
 VOLUME /var/cache/bind/
 RUN chown -R root:bind /etc/bind/ /var/cache/bind/
-EXPOSE 53/tcp 53/udp 8443/tcp
+EXPOSE 53/tcp 53/udp 853/tcp
 ENTRYPOINT ["entrypoint.sh"]
-CMD ["named", "-g", "-ubind"]
+CMD ["named", "-g"]
diff --git a/bind9/compose.yaml b/bind9/compose.yaml
index 38c6037..7f09ccd 100644
--- a/bind9/compose.yaml
+++ b/bind9/compose.yaml
@@ -16,7 +16,7 @@ services:
     ports:
       - "53:53/tcp"
       - "53:53/udp"
-      - "8443:8443"
+      - "853:853"
     environment:
       - BASE_URL
     volumes:
diff --git a/bind9/named.conf.options b/bind9/named.conf.options
index a4f538a..e0dba4c 100644
--- a/bind9/named.conf.options
+++ b/bind9/named.conf.options
@@ -1,6 +1,6 @@
 tls le {
-    cert-file /etc/letsencrypt/live/$BASE_URL/fullchain.pem;
-    key-file  /etc/letsencrypt/live/$BASE_URL/privkey.pem;
+    cert-file "/etc/letsencrypt/live/$BASE_URL/fullchain.pem";
+    key-file  "/etc/letsencrypt/live/$BASE_URL/privkey.pem";
 };
 
 options {