diff --git a/content/treestyletab/treestyletab.js b/content/treestyletab/treestyletab.js
index 23655bbc..613b4dbc 100644
--- a/content/treestyletab/treestyletab.js
+++ b/content/treestyletab/treestyletab.js
@@ -24,7 +24,6 @@ var TreeStyleTabService = {
 	kHIDE_ALLTABS       : 'treestyletab-hide-alltabs-button',
 	kSTYLE              : 'treestyletab-style',
 	kFIRSTTAB_BORDER    : 'treestyletab-firsttab-border',
-	kAUTOHIDE           : 'treestyletab-tabbar-autohide',
 	kFIXED              : 'treestyletab-tabbar-fixed',
 	kRESIZING           : 'treestyletab-tabbar-resizing',
 	kINDENTED           : 'treestyletab-tabs-indented',
diff --git a/content/treestyletab/treestyletabbrowser_autoHide.js b/content/treestyletab/treestyletabbrowser_autoHide.js
index e286596b..d2fcfff2 100644
--- a/content/treestyletab/treestyletabbrowser_autoHide.js
+++ b/content/treestyletab/treestyletabbrowser_autoHide.js
@@ -9,6 +9,8 @@ TreeStyleTabBrowserAutoHide.prototype = {
 	kMODE_HIDE     : 1,
 	kMODE_SHRINK   : 2,
 
+	kAUTOHIDE : 'treestyletab-tabbar-autohide',
+
 	kSHOWN_BY_UNKNOWN   : 0,
 	kSHOWN_BY_SHORTCUT  : 1 << 0,
 	kSHOWN_BY_MOUSEMOVE : 1 << 1,
@@ -435,7 +437,7 @@ TreeStyleTabBrowserAutoHide.prototype = {
 
 		window.setTimeout(function(aSelf) {
 			if (aSelf.shown) {
-				sv.mTabBrowser.setAttribute(sv.kAUTOHIDE, 'show');
+				sv.mTabBrowser.setAttribute(aSelf.kAUTOHIDE, 'show');
 				aSelf.redrawContentArea();
 			}
 			b.mTabContainer.adjustTabstrip();
@@ -508,12 +510,12 @@ TreeStyleTabBrowserAutoHide.prototype = {
 		switch (this.mode)
 		{
 			case this.kMODE_HIDE:
-				b.setAttribute(sv.kAUTOHIDE, 'hidden');
+				b.setAttribute(this.kAUTOHIDE, 'hidden');
 				break;
 
 			default:
 			case this.kMODE_SHRINK:
-				b.setAttribute(sv.kAUTOHIDE, 'show');
+				b.setAttribute(this.kAUTOHIDE, 'show');
 				if (pos == 'left' || pos == 'right')
 					b.mStrip.width = this.getTreePref('tabbar.shrunkenWidth');
 				break;
diff --git a/skin/classic/treestyletab/treestyletab.css b/skin/classic/treestyletab/treestyletab.css
index 98a89b3f..129d03cf 100644
--- a/skin/classic/treestyletab/treestyletab.css
+++ b/skin/classic/treestyletab/treestyletab.css
@@ -164,17 +164,17 @@ tabbrowser[treestyletab-style~="vertigo"][treestyletab-mode="vertical"] .tabbrow
 
 
 /* transaprent tab bar */
-tabbrowser[treestyletab-tabbar-transparent] .tabbrowser-tab {
+tabbrowser[treestyletab-tabbar-autohide][treestyletab-tabbar-transparent] .tabbrowser-tab {
 	opacity: 0.85 !important;
 }
-tabbrowser[treestyletab-tabbar-transparent] .tabbrowser-tabs:hover .tabbrowser-tab {
+tabbrowser[treestyletab-tabbar-autohide][treestyletab-tabbar-transparent] .tabbrowser-tabs:hover .tabbrowser-tab {
 	opacity: 0.9 !important;
 }
-tabbrowser[treestyletab-tabbar-transparent] .tabbrowser-tabs:hover .tabbrowser-tab[selected="true"],
-tabbrowser[treestyletab-tabbar-transparent] .tabbrowser-tabs:hover .tabbrowser-tab:hover {
+tabbrowser[treestyletab-tabbar-autohide][treestyletab-tabbar-transparent] .tabbrowser-tabs:hover .tabbrowser-tab[selected="true"],
+tabbrowser[treestyletab-tabbar-autohide][treestyletab-tabbar-transparent] .tabbrowser-tabs:hover .tabbrowser-tab:hover {
 	opacity: 0.95 !important;
 }
-tabbrowser[treestyletab-tabbar-transparent] .tabbrowser-tabs:hover .tabbrowser-tab[selected="true"]:hover {
+tabbrowser[treestyletab-tabbar-autohide][treestyletab-tabbar-transparent] .tabbrowser-tabs:hover .tabbrowser-tab[selected="true"]:hover {
 	opacity: 0.98 !important;
 }