In the template.php file of your theme, add the following code:
function YOUR_THEME_preprocess_views_exposed_form(&$vars, $hook) { /** Only alter a specific exposed filter form Note: You need to change the form id to match yours. */ if ($vars['form']['#id'] == 'views-exposed-form-YOUR_VIEW-views-page-1') { // Change the text on the submit button $vars['form']['submit']['#value'] = t('Search'); // Rebuild the rendered version (submit button, rest remains unchanged) unset($vars['form']['submit']['#printed']); $vars['button'] = drupal_render($vars['form']['submit']); } }