Enfold Logo resized to 300 x 100

All of a sudden, logos are shrinked to 300 x 100 on all pages.

I digged it down to enfold/framework/includes/helper-main-menu.php line 122.
$output .= avia_logo(AVIA_BASE_URL.’images/layout/logo.png’, $addition, ‘strong’, true);

The last parameter forces the logo to be resized for “better page ranking” ?
That’s the comment placed in enfold/framework/php/function-set-avia-frontend.php “function avia_logo” claims for …

I changed the last parameter in helper-main-menu.php to false and all of a sudden, everything was back to normal:
$output .= avia_logo(AVIA_BASE_URL.’images/layout/logo.png’, $addition, ‘strong’, false);

Any suggestion regarding this?
Is it possible to override this function in a child theme?

Thanks for your help.