diff --git a/plugins/pushes/ftp/adapter.rb b/plugins/pushes/ftp/adapter.rb
index f370d411f..9b08a0146 100644
--- a/plugins/pushes/ftp/adapter.rb
+++ b/plugins/pushes/ftp/adapter.rb
@@ -50,7 +50,7 @@ module VagrantPlugins
       end
 
       def default_port
-        20
+        21
       end
 
       def connect(&block)