This throw was placed on the echo line instead of the actual command.

Change-Id: I907c2ce17afa64c9c4ef628d766d7dfe270ade59
Reviewed-by: Konstantin Tokarev <annulen@yandex.ru>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@qt.io>