diff --git a/koha-tmpl/intranet-tmpl/prog/en/js/pages/preferences.js b/koha-tmpl/intranet-tmpl/prog/en/js/pages/preferences.js
index 04135ef4f5..b6537d9164 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/js/pages/preferences.js
+++ b/koha-tmpl/intranet-tmpl/prog/en/js/pages/preferences.js
@@ -63,7 +63,7 @@ $( document ).ready( function () {
     }
 
     $( '.prefs-tab' )
-        .find( 'input.preference, textarea.preference' ).on('change', function () {
+        .find( 'input.preference, textarea.preference' ).on('input', function () {
             if ( this.defaultValue === undefined || this.value != this.defaultValue ) mark_modified.call( this );
         } ).end()
         .find( 'select.preference' ).change( mark_modified );