diff --git a/hassio/addons/addon.py b/hassio/addons/addon.py
index 42aac8290..fbfb7d4ad 100644
--- a/hassio/addons/addon.py
+++ b/hassio/addons/addon.py
@@ -219,9 +219,9 @@ class Addon(object):
 
         # search host port for this docker port
         if self.ports is None:
-            port = self.ports.get("{}/tcp".format(t_port), t_port)
-        else:
             port = t_port
+        else:
+            port = self.ports.get("{}/tcp".format(t_port), t_port)
 
         # for interface config or port lists
         if isinstance(port, (tuple, list)):