diff --git a/src/js/pagestore.js b/src/js/pagestore.js
index 9be222f8f..4f39c3524 100644
--- a/src/js/pagestore.js
+++ b/src/js/pagestore.js
@@ -604,7 +604,7 @@ PageStore.prototype.getNetFilteringSwitch = function() {
 
 PageStore.prototype.getCosmeticFilteringSwitch = function() {
     return this.getNetFilteringSwitch() === false ||
-           this.skipCosmeticFiltering == false;
+           this.skipCosmeticFiltering === false;
 };
 
 /******************************************************************************/