1 files changed, 4 insertions, 4 deletions
diff --git a/js/vapi-core.js b/js/vapi-core.js
index c904ff2..e2afa4f 100644
--- a/js/vapi-core.js
+++ b/js/vapi-core.js
@@ -23,14 +23,14 @@
 
 'use strict';
 
+var vAPI = {};
+
 /******************************************************************************/
 
-(function () {
+(function (self) {
     const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
     Cu.import('resource://gre/modules/Services.jsm');
 
-    let vAPI = self.vAPI = self.vAPI || {};
-
     vAPI.modernFirefox =
 	Services.appinfo.ID === '{ec8030f7-c20a-464f-9b0e-13a3a9e97384}'
 	&& Services.vc.compare(Services.appinfo.version, '44') > 0;
@@ -133,4 +133,4 @@
     vAPI.lastError = function () {
 	return null;
     };
-})();
+})(this);