2 files changed, 10 insertions, 0 deletions
diff --git a/js/vapi-client.js b/js/vapi-client.js
index 4c48d03..aeddd81 100644
--- a/js/vapi-client.js
+++ b/js/vapi-client.js
@@ -26,6 +26,12 @@
 'use strict';
 
 (function (self) {
+    if (self.vAPI === undefined) {
+        self.vAPI = {};
+    }
+
+    let vAPI = self.vAPI;
+
     vAPI.sessionId = String.fromCharCode(Date.now() % 25 + 97) +
         Math.random().toString(36).slice(2);
 
diff --git a/js/vapi-common.js b/js/vapi-common.js
index 6a79096..5304e5a 100644
--- a/js/vapi-common.js
+++ b/js/vapi-common.js
@@ -31,6 +31,10 @@ const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
 Cu.import('resource://gre/modules/Services.jsm');
 
 (function (self) {
+    if (self.vAPI === undefined) {
+        self.vAPI = vAPI;
+    }
+
     vAPI.setTimeout = vAPI.setTimeout || function (callback, delay, extra) {
         return setTimeout(function (a) {
             callback(a);