diff --git a/lib/extension.js b/lib/extension.js
index 4dbd06d..93b3108 100644
--- a/lib/extension.js
+++ b/lib/extension.js
@@ -20,20 +20,26 @@
 		browser.extension.getBackgroundPage() === window
 	);
 	
-	scope.getTranslation = function getTranslation(id){
+	scope.getTranslation = browserAvailable? function getTranslation(id){
 		return browser.i18n.getMessage(id);
+	}: function(id){
+		return id;
 	};
 	
-	scope.extensionID = browser.extension.getURL("");
+	scope.extensionID = browserAvailable? browser.extension.getURL(""): "extensionID";
 	
-	scope.inIncognitoContext = browser.extension.inIncognitoContext;
+	scope.inIncognitoContext = browserAvailable? browser.extension.inIncognitoContext: false;
 	
 	scope.message = {
-		on: function(callback){
+		on: browserAvailable? function(callback){
 			return browser.runtime.onMessage.addListener(callback);
+		}: function(){
+			return false;
 		},
-		send: function(data){
+		send: browserAvailable? function(data){
 			return browser.runtime.sendMessage(data);
+		}: function(){
+			return false;
 		}
 	};
 	Object.seal(scope.message);
diff --git a/manifest.json b/manifest.json
index 9f127f2..9106968 100644
--- a/manifest.json
+++ b/manifest.json
@@ -10,6 +10,7 @@
 	"background": {
 		"scripts": [
 			"lib/require.js",
+			"lib/extension.js",
 			"lib/logging.js",
 			"lib/settingDefinitions.js",
 			"lib/settingContainers.js",