diff --git a/browser/base/content/browser.xul b/browser/base/content/browser.xul
index 542bb03f6027..0b033b3db0a4 100644
--- a/browser/base/content/browser.xul
+++ b/browser/base/content/browser.xul
@@ -592,6 +592,9 @@
                      cui-areatype="toolbar"
                      tooltiptext="&closeTab.label;"/>
 
+#ifdef XP_WIN
+      <hbox id="private-browsing-indicator" skipintoolbarset="true" ordinal="1000"/>
+#endif
 #ifdef CAN_DRAW_IN_TITLEBAR
       <hbox class="titlebar-placeholder" type="caption-buttons"
             id="titlebar-placeholder-on-TabsToolbar-for-captions-buttons" persist="width"
diff --git a/browser/themes/windows/browser.css b/browser/themes/windows/browser.css
index 9d612da3e834..6bc9e4a5c628 100644
--- a/browser/themes/windows/browser.css
+++ b/browser/themes/windows/browser.css
@@ -2509,9 +2509,7 @@ chatbox {
 
 /* End customization mode */
 
-#main-window[privatebrowsingmode=temporary] #TabsToolbar::after {
-  content: "";
-  display: -moz-box;
+#main-window[privatebrowsingmode=temporary] #private-browsing-indicator {
   width: 40px;
   background: url("chrome://browser/skin/privatebrowsing-indicator.png") no-repeat center center;
 }