diff --git a/js/ajax.js b/js/ajax.js
index e26fe76869..25b4cdde77 100644
--- a/js/ajax.js
+++ b/js/ajax.js
@@ -163,11 +163,11 @@ var AJAX = {
         // Add a list of menu hashes that we have in the cache to the request
         params += AJAX.cache.menus.getRequestParam();
 
-        this._debug && console.log("Loading: " + url); // no need to translate
+        AJAX._debug && console.log("Loading: " + url); // no need to translate
 
         if (isLink) {
             AJAX.active = true;
-            this.$msgbox = PMA_ajaxShowMessage();
+            AJAX.$msgbox = PMA_ajaxShowMessage();
             $.get(url, params, AJAX.responseHandler);
         } else {
             /**
@@ -180,7 +180,7 @@ var AJAX = {
             // or if it returns a value that evaluates to true
             if (typeof onsubmit !== 'function' || onsubmit.apply(this, [event])) {
                 AJAX.active = true;
-                this.$msgbox = PMA_ajaxShowMessage();
+                AJAX.$msgbox = PMA_ajaxShowMessage();
                 $.post(url, params, AJAX.responseHandler);
             }
         }
diff --git a/sql.php b/sql.php
index 8e5716dc83..f670b658a5 100644
--- a/sql.php
+++ b/sql.php
@@ -1298,7 +1298,7 @@ if ((0 == $num_rows && 0 == $unlim_num_rows) || $is_affected) {
               . '&id_bookmark=1';
 
         echo '<form action="sql.php" method="post"'
-            . ' onsubmit="return emptyFormElements(this, \'fields[label]\');"'
+            . ' onsubmit="return ! emptyFormElements(this, \'fields[label]\');"'
             . ' id="bookmarkQueryForm">';
         echo PMA_generate_common_hidden_inputs();
         echo '<input type="hidden" name="goto" value="' . $goto . '" />';