diff --git a/index.js b/index.js
index 24506b5..e120fdd 100644
--- a/index.js
+++ b/index.js
@@ -89,7 +89,8 @@ async function updateProxy(firstRun) {
 
             backends.push({
                 name,
-                port: port.PublishedPort
+                port: port.PublishedPort,
+                targetPort: port.TargetPort
             });
         }
     }
diff --git a/rproxy.handlebars b/rproxy.handlebars
index f3c78c8..6d87d8c 100644
--- a/rproxy.handlebars
+++ b/rproxy.handlebars
@@ -48,7 +48,7 @@ backend {{name}}
 #+++++++++++++++++++++++++++++++ TCP backends
 
 {{#each tcp}}
-listen {{name}}:{{port}}
+listen {{name}}:{{port}}:{{targetPort}}
 	bind :{{port}}
 	mode tcp
 	{{#each ../workers}}