diff --git a/browser/base/content/tabbrowser.xml b/browser/base/content/tabbrowser.xml
index 56aee8e0df8..a43df2d97de 100644
--- a/browser/base/content/tabbrowser.xml
+++ b/browser/base/content/tabbrowser.xml
@@ -2414,14 +2414,21 @@
 
           var self = this;
           function onResize() {
-            self.adjustTabstrip(false);
-            self.mTabstrip.scrollBoxObject
-                          .ensureElementIsVisible(self.selectedItem);
+            var width = self.mTabstrip.boxObject.width;
+            if (width != self.mTabstripWidth) {
+              self.adjustTabstrip(false);
+              self.mTabstrip.scrollByIndex(1);
+              self.mTabstrip.scrollBoxObject
+                            .ensureElementIsVisible(self.selectedItem);
+              self.mTabstripWidth = width;
+            }
           }
           window.addEventListener("resize", onResize, false);
         ]]>
       </constructor>
 
+      <field name="mTabstripWidth">0</field>
+
       <field name="mTabstrip">
         document.getAnonymousElementByAttribute(this, "anonid", "arrowscrollbox");
       </field>
@@ -2563,7 +2570,7 @@
     <handlers>
       <handler event="TabOpen"   action="this.adjustTabstrip(false);"/>
       <handler event="TabClose"  action="this.adjustTabstrip(true);"/>
-      <handler event="TabSelect" action="this._handleTabSelect()"/>
+      <handler event="TabSelect" action="this._handleTabSelect();"/>
     </handlers>
   </binding>