diff --git a/action.yml b/action.yml
index 933ed0a..17ca12a 100644
--- a/action.yml
+++ b/action.yml
@@ -6,6 +6,7 @@ inputs:
     description: 'scp remote host'
   port:
     description: 'scp remote port'
+    default: 22
   username:
     description: 'scp username'
   password: