diff --git a/locale/da-DK/treestyletab/treestyletab.properties b/locale/da-DK/treestyletab/treestyletab.properties
index 07170ed8..b0bdc0dc 100644
--- a/locale/da-DK/treestyletab/treestyletab.properties
+++ b/locale/da-DK/treestyletab/treestyletab.properties
@@ -55,4 +55,5 @@ compatibility_STM_warning_use_STM=Åben faner som indstillet i Super Tab Mode
 compatibility_STM_warning_never=Spørg ikke igen.
 
 
-closeTabsToTheEnd_vertical=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_label=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_accesskey=b
diff --git a/locale/de-DE/treestyletab/treestyletab.properties b/locale/de-DE/treestyletab/treestyletab.properties
index f4a9409c..8bfe43b7 100644
--- a/locale/de-DE/treestyletab/treestyletab.properties
+++ b/locale/de-DE/treestyletab/treestyletab.properties
@@ -60,4 +60,5 @@ compatibility_STM_warning_use_STM=Für die Tabs die durch Super Tab Mode festgel
 compatibility_STM_warning_never=Diesen Dialog nicht mehr anzeigen
 
 
-closeTabsToTheEnd_vertical=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_label=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_accesskey=b
diff --git a/locale/en-US/treestyletab/treestyletab.properties b/locale/en-US/treestyletab/treestyletab.properties
index 5e89ef76..43484957 100644
--- a/locale/en-US/treestyletab/treestyletab.properties
+++ b/locale/en-US/treestyletab/treestyletab.properties
@@ -51,4 +51,5 @@ compatibility_STM_warning_use_STM=Put tabs to the position specified by Super Ta
 compatibility_STM_warning_never=Don't show this dialo anymore.
 
 
-closeTabsToTheEnd_vertical=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_label=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_accesskey=b
diff --git a/locale/es-ES/treestyletab/treestyletab.properties b/locale/es-ES/treestyletab/treestyletab.properties
index 3b69eb48..f9b6be52 100644
--- a/locale/es-ES/treestyletab/treestyletab.properties
+++ b/locale/es-ES/treestyletab/treestyletab.properties
@@ -60,4 +60,5 @@ compatibility_STM_warning_use_STM=Put tabs to the position specified by Super Ta
 compatibility_STM_warning_never=Don't show this dialo anymore.
 
 
-closeTabsToTheEnd_vertical=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_label=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_accesskey=b
diff --git a/locale/fr-FR/treestyletab/treestyletab.properties b/locale/fr-FR/treestyletab/treestyletab.properties
index 84182a51..250b4a50 100644
--- a/locale/fr-FR/treestyletab/treestyletab.properties
+++ b/locale/fr-FR/treestyletab/treestyletab.properties
@@ -60,4 +60,5 @@ compatibility_STM_warning_use_STM=Mettre ces onglets dans la position définie p
 compatibility_STM_warning_never=Ne plus montrer ce dialogue.
 
 
-closeTabsToTheEnd_vertical=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_label=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_accesskey=b
diff --git a/locale/it-IT/treestyletab/treestyletab.properties b/locale/it-IT/treestyletab/treestyletab.properties
index e0521825..b7a8ddca 100644
--- a/locale/it-IT/treestyletab/treestyletab.properties
+++ b/locale/it-IT/treestyletab/treestyletab.properties
@@ -60,4 +60,5 @@ compatibility_STM_warning_use_STM=Put tabs to the position specified by Super Ta
 compatibility_STM_warning_never=Don't show this dialo anymore.
 
 
-closeTabsToTheEnd_vertical=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_label=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_accesskey=b
diff --git a/locale/ja/treestyletab/treestyletab.properties b/locale/ja/treestyletab/treestyletab.properties
index 3a225d0c..38b9763d 100644
--- a/locale/ja/treestyletab/treestyletab.properties
+++ b/locale/ja/treestyletab/treestyletab.properties
@@ -51,4 +51,5 @@ compatibility_STM_warning_use_STM=Super Tab Modeで指定した位置にタブ
 compatibility_STM_warning_never=今後この確認を表示しない
 
 
-closeTabsToTheEnd_vertical=下のタブをすべて閉じる
+closeTabsToTheEnd_vertical_label=下のタブをすべて閉じる
+closeTabsToTheEnd_vertical_accesskey=b
diff --git a/locale/pl/treestyletab/treestyletab.properties b/locale/pl/treestyletab/treestyletab.properties
index 442d0e6e..1957524e 100644
--- a/locale/pl/treestyletab/treestyletab.properties
+++ b/locale/pl/treestyletab/treestyletab.properties
@@ -60,4 +60,5 @@ compatibility_STM_warning_use_STM=Put tabs to the position specified by Super Ta
 compatibility_STM_warning_never=Don't show this dialo anymore.
 
 
-closeTabsToTheEnd_vertical=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_label=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_accesskey=b
diff --git a/locale/ru/treestyletab/treestyletab.properties b/locale/ru/treestyletab/treestyletab.properties
index 7aa69eb5..c6a3453b 100755
--- a/locale/ru/treestyletab/treestyletab.properties
+++ b/locale/ru/treestyletab/treestyletab.properties
@@ -51,4 +51,5 @@ compatibility_STM_warning_use_STM=Поместить вкладки в пози
 compatibility_STM_warning_never=Больше не показывать этот диалог.
 
 
-closeTabsToTheEnd_vertical=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_label=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_accesskey=b
diff --git a/locale/sv-SE/treestyletab/treestyletab.properties b/locale/sv-SE/treestyletab/treestyletab.properties
index 2d1b4cb2..5d6c1f3e 100644
--- a/locale/sv-SE/treestyletab/treestyletab.properties
+++ b/locale/sv-SE/treestyletab/treestyletab.properties
@@ -55,4 +55,5 @@ compatibility_STM_warning_use_STM=Placera flikar på den position som anges av S
 compatibility_STM_warning_never=Visa inte denna dialog igen.
 
 
-closeTabsToTheEnd_vertical=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_label=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_accesskey=b
diff --git a/locale/zh-CN/treestyletab/treestyletab.properties b/locale/zh-CN/treestyletab/treestyletab.properties
index ca38a513..2f9182bf 100644
--- a/locale/zh-CN/treestyletab/treestyletab.properties
+++ b/locale/zh-CN/treestyletab/treestyletab.properties
@@ -55,4 +55,5 @@ compatibility_STM_warning_use_STM=让 Super Tab Mode 控制新标签的位置。
 compatibility_STM_warning_never=不要再提醒我。
 
 
-closeTabsToTheEnd_vertical=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_label=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_accesskey=b
diff --git a/locale/zh-TW/treestyletab/treestyletab.properties b/locale/zh-TW/treestyletab/treestyletab.properties
index ecf1dc2b..aa11be1a 100644
--- a/locale/zh-TW/treestyletab/treestyletab.properties
+++ b/locale/zh-TW/treestyletab/treestyletab.properties
@@ -55,4 +55,5 @@ compatibility_STM_warning_use_STM=讓 Super Tab Mode 處理
 compatibility_STM_warning_never=不要再問我
 
 
-closeTabsToTheEnd_vertical=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_label=Close Tabs to the Bottom
+closeTabsToTheEnd_vertical_accesskey=b
diff --git a/modules/browser.js b/modules/browser.js
index 7518a23e..bfeeb0ef 100644
--- a/modules/browser.js
+++ b/modules/browser.js
@@ -854,8 +854,10 @@ TreeStyleTabBrowser.prototype = {
 			}, 0, this, b, tabContextMenu);
 
 			let closeTabsToEnd = d.getElementById(this.kMENUITEM_CLOSE_TABS_TO_END);
-			if (closeTabsToEnd)
+			if (closeTabsToEnd) {
 				this._closeTabsToEnd_horizontalLabel = closeTabsToEnd.getAttribute('label');
+				this._closeTabsToEnd_horizontalAccesskey = closeTabsToEnd.getAttribute('accesskey');
+			}
 		}
 
 		var removeTabItem = d.getAnonymousElementByAttribute(b, 'id', 'context_closeTab');
@@ -4693,10 +4695,17 @@ TreeStyleTabBrowser.prototype = {
 
 		let closeTabsToEnd = aEvent.currentTarget.querySelector('*[id^="'+this.kMENUITEM_CLOSE_TABS_TO_END+'"]');
 		if (closeTabsToEnd) { // https://bugzilla.mozilla.org/show_bug.cgi?id=866880
-			let label = this.isVertical ?
-				utils.treeBundle.getString('closeTabsToTheEnd_vertical') :
-				this._closeTabsToEnd_horizontalLabel ;
+			let label, accesskey;
+			if (this.isVertical) {
+				label = utils.treeBundle.getString('closeTabsToTheEnd_vertical_label');
+				accesskey = utils.treeBundle.getString('closeTabsToTheEnd_vertical_accesskey');
+			}
+			else {
+				label = this._closeTabsToEnd_horizontalLabel;
+				accesskey = this._closeTabsToEnd_horizontalAccesskey;
+			}
 			closeTabsToEnd.setAttribute('label', label);
+			closeTabsToEnd.setAttribute('accesskey', accesskey);
 		}
 	},