From d60edbfae14308cb673c3bf2ca45621ea6b6561e Mon Sep 17 00:00:00 2001
From: gorhill <rhill@raymondhill.net>
Date: Thu, 26 Oct 2017 06:23:57 -0400
Subject: [PATCH] code review last commit: oops

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

diff --git a/src/js/cosmetic-filtering.js b/src/js/cosmetic-filtering.js
index 1a9c8f595..b82469321 100644
--- a/src/js/cosmetic-filtering.js
+++ b/src/js/cosmetic-filtering.js
@@ -2190,8 +2190,8 @@ FilterContainer.prototype.retrieveDomainSelectors = function(
     //   cosmetic filters now.
     if (
         this.supportsUserStylesheets &&
-        sender instanceof Object ||
-        sender.tab instanceof Object ||
+        sender instanceof Object &&
+        sender.tab instanceof Object &&
         typeof sender.frameId === 'number'
     ) {
         var injectedHideFilters = [];