diff --git a/etc/caddy/multiple_upstream.Caddyfile b/etc/caddy/multiple_upstream.Caddyfile
index 6aedb30d..99f58b68 100644
--- a/etc/caddy/multiple_upstream.Caddyfile
+++ b/etc/caddy/multiple_upstream.Caddyfile
@@ -1,5 +1,13 @@
 # Multiple Backends Example
 #
+
+# global config must be first
+{
+    # no listen on 2019/tcp with admin API
+    admin off
+}
+
+# zrok site block
 http:// {
     # Bind to the zrok share
     bind {{ .ZrokBindAddress }}
diff --git a/etc/caddy/simple_reverse_proxy.Caddyfile b/etc/caddy/simple_reverse_proxy.Caddyfile
index d6bbc751..c6aebaed 100644
--- a/etc/caddy/simple_reverse_proxy.Caddyfile
+++ b/etc/caddy/simple_reverse_proxy.Caddyfile
@@ -1,3 +1,10 @@
+# global config must be first
+{
+    # no listen on 2019/tcp with admin API
+    admin off
+}
+
+# zrok site block
 http:// {
 	bind {{ .ZrokBindAddress }}
 	reverse_proxy 127.0.0.1:3000