diff --git a/udica/parse.py b/udica/parse.py
index bc8e59a..699382e 100644
--- a/udica/parse.py
+++ b/udica/parse.py
@@ -96,8 +96,10 @@ def get_ports(self, data):
         ports = []
         for key, value in data[0]["NetworkSettings"]["Ports"].items():
             container_port = str(key).split("/")
-            host_port = value[0]["HostPort"]
-            new_port = {"hostPort": int(host_port), "protocol": container_port[1]}
+            new_port = {
+                "portNumber": int(container_port[0]),
+                "protocol": container_port[1],
+            }
             ports.append(new_port)
         return ports
 
diff --git a/udica/policy.py b/udica/policy.py
index 2f21c37..e9e94d6 100644
--- a/udica/policy.py
+++ b/udica/policy.py
@@ -148,10 +148,10 @@ def create_policy(opts, capabilities, mounts, ports, append_rules, inspect_forma
 
     # ports
     for item in ports:
-        if "hostPort" in item:
+        if "portNumber" in item:
             policy.write(
                 "    (allow process "
-                + list_ports(item["hostPort"], item["protocol"])
+                + list_ports(item["portNumber"], item["protocol"])
                 + " ( "
                 + perms.socket[item["protocol"]]
                 + " (  name_bind ))) \n"