diff --git a/canvasblocker.xpi b/canvasblocker.xpi
index 83acd7f..a86403c 100644
Binary files a/canvasblocker.xpi and b/canvasblocker.xpi differ
diff --git a/data/inject.js b/data/inject.js
index ee0495b..831fb60 100644
--- a/data/inject.js
+++ b/data/inject.js
@@ -6,7 +6,8 @@
 	"use strict";
 	
 	var settings = {
-		showCallingFile: false
+		showCallingFile: false,
+		showCompleteCallingStack: false
 	};
 	var blockMode = {
 		getContext: {
@@ -247,7 +248,7 @@
 	
 	// Translation
 	var _ = function(name, replace){
-		var str = _[name] || name;
+		var str = self.options.translations[name] || name;
 		if (replace){
 			Object.keys(replace).forEach(function(name){
 				str = str.replace(new RegExp("{" + name + "}", "g"), replace[name]);
@@ -255,9 +256,6 @@
 		}
 		return str;
 	};
-	self.port.on("setTranslation", function(name, translation){
-		_[name] = translation;
-	});
 	
 	// Communication with main.js
 	
diff --git a/lib/main.js b/lib/main.js
index c0766ec..3186f31 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -84,11 +84,24 @@
 	}
 
 	var workers = [];
+	var workerTranslations = {
+		sourceOutput: _("sourceOutput"),
+		stackEntryOutput: _("stackEntryOutput")
+	};
+	
+	["", "Readout"].forEach(function(type){
+		["", "Visible", "Invisible"].forEach(function(visibility){
+				var text = "askFor" + visibility + type + "Permission";
+				workerTranslations[text] = _(text);
+		});
+	});
+			
 	var workerOptions = {
 		blockMode: checkURL(),
 		whiteList: prefs.whiteList,
 		blackList: prefs.blackList,
-		askOnce: prefs.askOnce
+		askOnce: prefs.askOnce,
+		translations: workerTranslations
 	};
 	preferences.on("blockMode", function(){
 		workerOptions.blockMode = checkURL();
@@ -118,14 +131,6 @@
 			worker.on("detach", function(){
 				array.remove(workers, this);
 			});
-			["", "Readout"].forEach(function(type){
-				["", "Visible", "Invisible"].forEach(function(visibility){
-						var text = "askFor" + visibility + type + "Permission";
-						worker.port.emit("setTranslation", text, _(text));
-				});
-			});
-			worker.port.emit("setTranslation", "sourceOutput", _("sourceOutput"));
-			worker.port.emit("setTranslation", "stackEntryOutput", _("stackEntryOutput"));
 			
 			preferencesForInjected.forEach(function(name){
 				worker.port.emit("set", name, prefs[name]);
@@ -160,6 +165,8 @@
 										accessKey: "",
 										callback: function(){
 											browser.contentWindow.alert(callingStackMsg);
+											// only way to prevent closing... see https://developer.mozilla.org/en-US/docs/Mozilla/Tech/XUL/Method/appendNotification#Notification_box_events
+											throw new Error("Do not close notification.");
 										}
 									},
 									{
@@ -194,14 +201,14 @@
 								];
 
 								var priority = notifyBox.PRIORITY_WARNING_MEDIUM;
-								notifyBox.appendNotification(
+								notification = notifyBox.appendNotification(
 									message,
 									"fake-readout",
 									"chrome://browser/skin/Info.png",
 									priority,
 									buttons
 								);
-						}
+							}
 						}
 						break;
 				}