diff --git a/doc/changelog.txt b/doc/changelog.txt
index 9f453940..5698f364 100644
--- a/doc/changelog.txt
+++ b/doc/changelog.txt
@@ -1,3 +1,9 @@
+5.3 "" (released xx.xx.2010)
+
+Fixes:
+- ftp: fix support for FTP ports other than the default.
+
+
 5.2 "11:14" (released 7.3.2010)
 
 Fixes:
diff --git a/linkcheck/checker/ftpurl.py b/linkcheck/checker/ftpurl.py
index 77a0ac7c..1d578fe9 100644
--- a/linkcheck/checker/ftpurl.py
+++ b/linkcheck/checker/ftpurl.py
@@ -95,7 +95,8 @@ class FtpUrl (internpaturl.InternPatternUrl, proxysupport.ProxySupport):
             self.url_connection = ftplib.FTP()
             if log.is_debug(LOG_CHECK):
                 self.url_connection.set_debuglevel(1)
-            self.url_connection.connect(host)
+            host, port = proxysupport.parse_host_port(host)
+            self.url_connection.connect(host, port)
             if _user is None:
                 self.url_connection.login()
             elif _password is None: