Apache reverse proxy redirects every address to the same vhost

I have installed a webapp in a virtual machine on my server (both running Debian 8 and Apache2). I used a reverse proxy on the host machine to redirect all the connections made to https://webapp.domain.com to the internal address of the webapp on the virtual machine (http://192.168.100.101/webapp) using the following vhost configuration: ServerName webapp.domain.com ServerAlias www.webapp.domain.com SSLProxyEngine On SSLProxyCheckPeerExpire off SSLProxyCheckPeerCN off SSLProxyVerify none ProxyPass / http://192.168.100.101/webapp/ ProxyPassReverse / http://192.168.100.101/webapp/ SSLEngine on SSLCertificateFile /etc/letsencrypt/live/webapp.domain.com/cert.pem SSLCertificateKeyFile /etc/letsencrypt/live/webapp.domain.com/privkey.pem SSLCertificateChainFile /etc/letsencrypt/live/webapp.domain.com/fullchain.pem ServerAdmin unavailable CustomLog ${APACHE_LOG_DIR}/vhosts/webapp_access.log combined ErrorLog ${APACHE_LOG_DIR}/vhosts/webapp_error.log Header always set Strict-Transport-Security "max-age=15768000; includeSubDomains; preload" Order Allow,Deny Allow from all However if I try to connect to any address on the ip of the host machine, I end up seeing the webapp on the virtual machine (i.e., let's assume that the public IP of the host machine is 10.10.10.10, connecting to https://10.10.10.10/anything shows me the webapp on the virtual machine). How can I prevent this from happening? Could it be the guest machine configuration the cause of this?