diff --git a/zerotier/config.json b/zerotier/config.json
index 8e9f731..a8c3a69 100755
--- a/zerotier/config.json
+++ b/zerotier/config.json
@@ -12,6 +12,12 @@
     "armv7",
     "i386"
   ],
+  "ports": {
+    "9993/tcp": 9993
+  },
+  "ports_description": {
+    "9993/tcp": "ZeroTier's primary port"
+  },
   "boot": "auto",
   "hassio_api": true,
   "hassio_role": "default",
diff --git a/zerotier/rootfs/etc/services.d/zerotier/run b/zerotier/rootfs/etc/services.d/zerotier/run
index 180de15..3acde85 100644
--- a/zerotier/rootfs/etc/services.d/zerotier/run
+++ b/zerotier/rootfs/etc/services.d/zerotier/run
@@ -9,7 +9,7 @@ bashio::log.info "Starting ZeroTier One..."
 
 # Note sure what this does.
 options+=(-U)
-options+=("-p$(bashio::config 'port')")
+options+=("-p$(bashio::addon.port 9993)")
 
 # Run the ZeroTier One
 exec zerotier-one "${options[@]}"