diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 80fa73f1996cfc3ee05deab29981201655b45a15..0eea6ca5bbee375d7ec9f8a896cc3539a5a33ceb 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -6,6 +6,7 @@ Wysiwyg x.x-x.x, xxxx-xx-xx
 
 Wysiwyg 5.x-2.x, xxxx-xx-xx
 ---------------------------
+#414768 by sun: Fixed Wysiwyg API not working in Konqueror.
 #416742 by sun: Fixed type casting of $profile in profile configuration form.
 #404532 by TwoD: Fixed Teaser break comment stripped in IE.
 #380698 by TwoD: Added Drupal plugin support for FCKeditor.
diff --git a/wysiwyg.js b/wysiwyg.js
index 7d736e23d1753ec336bd89046f7875d1fe6bb93c..57ee4bd504b9dc5a20f5c802c616f56a2babb633 100644
--- a/wysiwyg.js
+++ b/wysiwyg.js
@@ -7,6 +7,11 @@
  * init hook gives them a chance to do so.
  */
 Drupal.wysiwygInit = function() {
+  // This breaks in Konqueror. Prevent it from running.
+  if (/KDE/.test(navigator.vendor)) {
+    return;
+  }
+
   jQuery.each(Drupal.wysiwyg.editor.init, function(editor) {
     // Clone, so original settings are not overwritten.
     this(Drupal.wysiwyg.clone(Drupal.settings.wysiwyg.configs[editor]));
@@ -33,6 +38,11 @@ Drupal.wysiwygInit = function() {
  *   A DOM element, supplied by Drupal.attachBehaviors().
  */
 Drupal.behaviors.attachWysiwyg = function(context) {
+  // This breaks in Konqueror. Prevent it from running.
+  if (/KDE/.test(navigator.vendor)) {
+    return;
+  }
+
   $('.wysiwyg:not(.wysiwyg-processed)', context).each(function() {
     var params = Drupal.wysiwyg.getParams(this);
     var $this = $(this);