how to prevent $'command'<return> from changing the vi mode?

[Leonardo Barbosa <barbosa.leonardo@xxxxxxxxx>]

Hello all,

I'm using vi mode in zsh. When i'm in normal mode and enter a command,
for instance, $ls<return>, it enters in insert mode. I would like,
however, to stay as  in the same mode as I was prior to hit <return>.
How can i do that?

Thanks in advance

Leo