diff --git a/data/etc/apache2/conf-available/jwchat-plinth.conf b/data/etc/apache2/conf-available/jwchat-plinth.conf
index 323796e09..e76c32809 100644
--- a/data/etc/apache2/conf-available/jwchat-plinth.conf
+++ b/data/etc/apache2/conf-available/jwchat-plinth.conf
@@ -1,6 +1,6 @@
 # Proxy for BOSH server
-ProxyPass /bosh/ http://localhost:5280/bosh/
-ProxyPassReverse /bosh/ http://localhost:5280/bosh/
-<Proxy http://localhost:5280/bosh/*>
+ProxyPass /bosh/ http://localhost:5443/bosh/
+ProxyPassReverse /bosh/ http://localhost:5443/bosh/
+<Proxy http://localhost:5443/bosh/*>
     Require all granted
 </Proxy>
diff --git a/plinth/modules/ejabberd/__init__.py b/plinth/modules/ejabberd/__init__.py
index f735ff4f1..9e2c0843d 100644
--- a/plinth/modules/ejabberd/__init__.py
+++ b/plinth/modules/ejabberd/__init__.py
@@ -178,8 +178,8 @@ def diagnose():
     results.append(action_utils.diagnose_port_listening(5222, 'tcp6'))
     results.append(action_utils.diagnose_port_listening(5269, 'tcp4'))
     results.append(action_utils.diagnose_port_listening(5269, 'tcp6'))
-    results.append(action_utils.diagnose_port_listening(5280, 'tcp4'))
-    results.append(action_utils.diagnose_port_listening(5280, 'tcp6'))
+    results.append(action_utils.diagnose_port_listening(5443, 'tcp4'))
+    results.append(action_utils.diagnose_port_listening(5443, 'tcp6'))
     results.extend(action_utils.diagnose_url_on_all('http://{host}/bosh/'))
 
     return results