diff --git a/__tests__/Str-test.js b/__tests__/Str-test.js
index 463ee3df..51f68aa6 100644
--- a/__tests__/Str-test.js
+++ b/__tests__/Str-test.js
@@ -104,6 +104,7 @@ describe('Str.sanitizeURL', () => {
         expect(Str.sanitizeURL('https://GOOgle.com')).toBe('https://google.com');
         +expect(Str.sanitizeURL('FOO.com/blah_BLAH', 'http')).toBe('http://foo.com/blah_BLAH');
         +expect(Str.sanitizeURL('example.com', 'http')).toBe('http://example.com');
+        expect(Str.sanitizeURL('https://example.com', 'http')).toBe('http://example.com');
         expect(Str.sanitizeURL('http://FOO.com/blah_BLAH')).toBe('http://foo.com/blah_BLAH');
         expect(Str.sanitizeURL('HTtp://FOO.com/blah_BLAH')).toBe('http://foo.com/blah_BLAH');
     });
diff --git a/lib/str.ts b/lib/str.ts
index d32fbfa9..441ce1f7 100644
--- a/lib/str.ts
+++ b/lib/str.ts
@@ -971,16 +971,16 @@ const Str = {
      *  Formats a URL by converting the domain name to lowercase and adding the missing 'https://' protocol.
      *
      * @param url The URL to be formatted
-     * @param scheme The Scheme to use in the URL
+     * @param defaultScheme The Scheme to use in the URL
      * @returns The formatted URL
      */
-    sanitizeURL(url: string, scheme = 'https'): string {
+    sanitizeURL(url: string, defaultScheme = 'https'): string {
         const regex = new RegExp(`^${UrlPatterns.URL_REGEX}$`, 'i');
         const match = regex.exec(url);
         if (!match) {
             return url;
         }
-        const website = match[3] ? match[2] : `${scheme}://${match[2]}`;
+        const website = match[3] ? match[2] : `${defaultScheme}://${match[2]}`;
         return website.toLowerCase() + this.cutBefore(match[1], match[2]);
     },