From d6471b3556b9e1678227d82eb940add7d2cd5ae6 Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Fri, 24 May 2019 13:08:27 -0400
Subject: [PATCH] Fix https://github.com/uBlockOrigin/uMatrix-issues/issues/159

---
 src/js/traffic.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/js/traffic.js b/src/js/traffic.js
index 3186df1..ac1099a 100644
--- a/src/js/traffic.js
+++ b/src/js/traffic.js
@@ -203,9 +203,11 @@ var onBeforeSendHeadersHandler = function(details) {
     const requestHeaders = details.requestHeaders;
 
     // https://github.com/uBlockOrigin/uMatrix-issues/issues/155
+    // https://github.com/uBlockOrigin/uMatrix-issues/issues/159
     //   TODO: import all filtering context improvements from uBO.
-    const srcHn = µmuri.hostnameFromURI(details.documentUrl) ||
-                  pageStore.pageHostname;
+    const srcHn = tabId >= 0
+        ? pageStore.pageHostname
+        : µmuri.hostnameFromURI(details.documentUrl) || pageStore.pageHostname;
 
     // https://github.com/gorhill/httpswitchboard/issues/342
     // Is this hyperlink auditing?