diff --git a/content/treestyletab/treestyletab.js b/content/treestyletab/treestyletab.js
index 641d07f2..dd3005d6 100644
--- a/content/treestyletab/treestyletab.js
+++ b/content/treestyletab/treestyletab.js
@@ -1469,12 +1469,13 @@ catch(e) {
 					<![CDATA[{
 						var treeStyleTab = gBrowser.treeStyleTab;
 						if (gBrowser.getAttribute(treeStyleTab.kTABBAR_POSITION) != 'top') {
+							treeStyleTab.autoHideMode = treeStyleTab.getTreePref(window.fullScreen ? 'tabbar.autoHide.mode.fullscreen' : 'tabbar.autoHide.mode' );
+							treeStyleTab.endAutoHide();
 							treeStyleTab.autoHideMode = treeStyleTab.getTreePref(window.fullScreen ? 'tabbar.autoHide.mode' : 'tabbar.autoHide.mode.fullscreen' );
-							treeStyleTab.endAutoHide();
 							if (window.fullScreen)
 								treeStyleTab.checkTabsIndentOverflow();
 							if (treeStyleTab.autoHideMode != treeStyleTab.kAUTOHIDE_MODE_DISABLED)
-								treeStyleTab.startAutoHide();
+								treeStyleTab.startAutoHide();
 						}
 					]]>
 				)