From a036152cc7629ea9910f79c9edf7ed2bf6597c30 Mon Sep 17 00:00:00 2001
From: gorhill <rhill@raymondhill.net>
Date: Thu, 1 Jan 2015 20:58:19 -0500
Subject: [PATCH] this fixes #456: another unrelated bug unveil from previous
 fix

---
 platform/chromium/vapi-client.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/platform/chromium/vapi-client.js b/platform/chromium/vapi-client.js
index 47edde9..057687f 100644
--- a/platform/chromium/vapi-client.js
+++ b/platform/chromium/vapi-client.js
@@ -33,6 +33,13 @@
 
 self.vAPI = self.vAPI || {};
 
+// https://github.com/gorhill/uBlock/issues/456
+// Already injected?
+if ( vAPI.vapiClient ) {
+    return;
+}
+vAPI.vapiClient = true;
+
 var chrome = self.chrome;
 var vAPI = self.vAPI;