diff --git a/Dockerfile b/Dockerfile
index 38095d5..f4a6f68 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,6 +16,7 @@ ENV COMPOSER_ALLOW_SUPERUSER=1 DEBIAN_FRONTEND=noninteractive
 
 COPY --from=nodebuilder --chown=www-data:www-data /tmp/buildir/webcron ${WEBCRON_ROOT}
 
+ARG VERSION
 RUN sed -ri -e "s!/var/www/html!${APACHE_DOCUMENT_ROOT}!g" /etc/apache2/sites-available/*.conf
 RUN sed -ri -e "s!/var/www/!${APACHE_DOCUMENT_ROOT}!g" /etc/apache2/apache2.conf /etc/apache2/conf-available/*.conf
 RUN a2enmod rewrite
diff --git a/Dockerfile.daemon b/Dockerfile.daemon
index cfda136..f3b0bfc 100644
--- a/Dockerfile.daemon
+++ b/Dockerfile.daemon
@@ -4,6 +4,7 @@ ENV APACHE_DOCUMENT_ROOT=/var/www/webcron/public/
 ENV WEBCRON_ROOT=/var/www/webcron/
 ENV TZ=Europe/Brussels
 ENV COMPOSER_ALLOW_SUPERUSER=1 DEBIAN_FRONTEND=noninteractive
+ARG VERSION
 
 RUN git clone https://git.jeroened.be/webcron/webcron.git ${WEBCRON_ROOT}
 
diff --git a/Dockerfile.webui b/Dockerfile.webui
index 2a807bd..4f88139 100644
--- a/Dockerfile.webui
+++ b/Dockerfile.webui
@@ -16,6 +16,7 @@ ENV COMPOSER_ALLOW_SUPERUSER=1 DEBIAN_FRONTEND=noninteractive
 
 COPY --from=nodebuilder --chown=www-data:www-data /tmp/buildir/webcron ${WEBCRON_ROOT}
 
+ARG VERSION
 RUN sed -ri -e "s!/var/www/html!${APACHE_DOCUMENT_ROOT}!g" /etc/apache2/sites-available/*.conf
 RUN sed -ri -e "s!/var/www/!${APACHE_DOCUMENT_ROOT}!g" /etc/apache2/apache2.conf /etc/apache2/conf-available/*.conf
 RUN a2enmod rewrite