1 files changed, 4 insertions, 1 deletions
diff --git a/Source/WebCore/inspector/front-end/DockController.js b/Source/WebCore/inspector/front-end/DockController.js
index 5c48cabfe..4b9de5fd5 100644
--- a/Source/WebCore/inspector/front-end/DockController.js
+++ b/Source/WebCore/inspector/front-end/DockController.js
@@ -40,7 +40,7 @@ WebInspector.DockController = function()
     if (Preferences.showDockToRight)
         this._dockToggleButton.makeLongClickEnabled(this._createDockOptions.bind(this));
 
-    this.setDockSide(WebInspector.queryParamsObject["dockSide"]);
+    this.setDockSide(WebInspector.queryParamsObject["dockSide"] || "bottom");
 }
 
 WebInspector.DockController.State = {
@@ -63,6 +63,9 @@ WebInspector.DockController.prototype = {
      */
     setDockSide: function(dockSide)
     {
+        if (this._dockSide === dockSide)
+            return;
+
         if (this._dockSide)
             WebInspector.settings.lastDockState.set(this._dockSide);