diff --git a/templates/shinyproxy-docker-compose.yml.j2 b/templates/shinyproxy-docker-compose.yml.j2
index ee5c603..1599fd4 100644
--- a/templates/shinyproxy-docker-compose.yml.j2
+++ b/templates/shinyproxy-docker-compose.yml.j2
@@ -18,7 +18,7 @@ services:
     build: .
     ports:
       - target: {{ shinyproxy_http_port }}
-        published: :{{ shinyproxy_http_port }}
+        published: {{ shinyproxy_http_port }}
         protocol: tcp
         mode: 'host'
 {% if shinyproxy_expose_prometheus and shinyproxy_version is version_compare('2.5.0', '>=') %}
@@ -32,7 +32,7 @@ services:
 {% if not shinyproxy_docker_swarm_behind_haproxy %}
     ports:
       - target: {{ shinyproxy_http_port }}
-        published: :{{ shinyproxy_http_port }}
+        published: {{ shinyproxy_http_port }}
         protocol: tcp
         mode: '{{ shinyproxy_docker_http_port_mode }}'
 {% if shinyproxy_expose_prometheus and shinyproxy_version is version_compare('2.5.0', '>=') %}