diff --git a/dockerfile b/dockerfile
index b810a7c..55110d5 100644
--- a/dockerfile
+++ b/dockerfile
@@ -27,6 +27,8 @@ COPY src/container_apache.conf /etc/apache2/sites-available/${DOMAIN}.conf
 RUN sed -i "s/{{DOMAIN}}/${DOMAIN}/g" /etc/apache2/sites-available/${DOMAIN}.conf && a2dissite 000-default.conf && \
         a2ensite ${DOMAIN}.conf && a2enmod ssl rewrite headers
 
+RUN echo "ServerName ${DOMAIN}" >> /etc/apache2/apache2.conf
+
 # Installer Hubzilla
 WORKDIR /var/www/html
 RUN rm -rf /var/www/html/* && \