diff --git a/src/scripts/filters.js b/src/scripts/filters.js
index 2ed9bfb..4223744 100644
--- a/src/scripts/filters.js
+++ b/src/scripts/filters.js
@@ -71,7 +71,9 @@ export default class FilterManager {
 			if (((typeof (FILTERS_ALL)).includes(`obj`) && !Array.isArray(FILTERS_ALL) && FILTERS_ALL) ? Object.keys(FILTERS_ALL).length > 0 : false) {
 				for (let FILTER_URL_INDEX = 0; FILTER_URL_INDEX < Object.keys(FILTERS_ALL).length; FILTER_URL_INDEX++) {
 					let FILTER_URL = (Object.keys(FILTERS_ALL, 1))[FILTER_URL_INDEX];
-					if (FILTER_URL.includes(`://`)) {
+
+					// Test the URL. 
+					if (URLs.test(FILTER_URL)) {
 						filters.enqueue(FILTER_URL);
 					}
 				}