diff --git a/src/ui/index.tis b/src/ui/index.tis
index b1b23475a..d44266b65 100644
--- a/src/ui/index.tis
+++ b/src/ui/index.tis
@@ -189,7 +189,7 @@ class MyIdMenu: Reactor.Component {
             var old_value = handler.get_option("whitelist").split(",").join("\n");
             msgbox("custom-whitelist", translate("IP Whitelisting"), "<div .form> \
             <div>" + translate("whitelist_sep") + "</div> \
-            <textarea spellcheck=\"false\" name=\"text\" novalue=\"0.0.0.0\" style=\"overflow: scroll-indicator; width:*; height: 160px; font-size: 1.2em; padding: 0.5em;\">" + old_value + "</textarea>\
+            <textarea spellcheck=\"false\" name=\"text\" novalue=\"0.0.0.0\" style=\"overflow: scroll-indicator; width:*; height: 140px; font-size: 1.2em; padding: 0.5em;\">" + old_value + "</textarea>\
             </div> \
             ", function(res=null) {
                 if (!res) return;
diff --git a/src/ui/msgbox.tis b/src/ui/msgbox.tis
index 77d15ea33..1da5700b0 100644
--- a/src/ui/msgbox.tis
+++ b/src/ui/msgbox.tis
@@ -42,7 +42,7 @@ class MsgboxComponent: Reactor.Component {
         if (this.type.indexOf("error") >= 0 || this.type == "re-input-password") {
             return <svg viewBox="0 0 512 512"><ellipse cx="256" cy="256" rx="256" ry="255.832" fill={color}/><g fill="#fff"><path d="M376.812 337.18l-39.592 39.593-201.998-201.999 39.592-39.592z"/><path d="M376.818 174.825L174.819 376.824l-39.592-39.592 201.999-201.999z"/></g></svg>;
         }
-        return <span />;
+        return null;
     }
 
     function getInputPasswordContent() {