diff --git a/Containers/mastercontainer/mastercontainer.conf b/Containers/mastercontainer/mastercontainer.conf
index 86c3ba74..687557fd 100644
--- a/Containers/mastercontainer/mastercontainer.conf
+++ b/Containers/mastercontainer/mastercontainer.conf
@@ -37,6 +37,7 @@ ErrorLog ${APACHE_LOG_DIR}/error.log
     # Proxy to https
     ProxyPass / http://localhost:8000/
     ProxyPassReverse / http://localhost:8000/
+    ProxyPreserveHost On
     # SSL
     SSLCertificateKeyFile /etc/apache2/certs/ssl.key
     SSLCertificateFile /etc/apache2/certs/ssl.crt