Index: lib/filterClasses.js
===================================================================
--- a/lib/filterClasses.js
+++ b/lib/filterClasses.js
@@ -18,17 +18,17 @@
 "use strict";
 
 /**
  * @fileOverview Definition of Filter class and its subclasses.
  */
 
 const {extend} = require("./coreUtils");
 const {filterToRegExp} = require("./common");
-const {normalizeHostname, suffixes} = require("./domain");
+const {normalizeHostname, domainSuffixes} = require("./url");
 const {filterNotifier} = require("./filterNotifier");
 
 const resources = require("../data/resources.json");
 
 /**
  * Map of internal resources for URL rewriting.
  * @type {Map.<string,string>}
  */
@@ -601,17 +601,17 @@
     if (!domains)
       return true;
 
     // If the document has no host name, match only if the filter
     // isn't restricted to specific domains
     if (!docDomain)
       return domains.get("");
 
-    for (docDomain of suffixes(normalizeHostname(docDomain)))
+    for (docDomain of domainSuffixes(normalizeHostname(docDomain)))
     {
       let isDomainIncluded = domains.get(docDomain);
       if (typeof isDomainIncluded != "undefined")
         return isDomainIncluded;
     }
 
     return domains.get("");
   },