diff --git a/builder/dockerfile.debian_buster.barebones.deb.test b/builder/dockerfile.debian_buster.barebones.deb.test
index a7d7218..74e65bf 100644
--- a/builder/dockerfile.debian_buster.barebones.deb.test
+++ b/builder/dockerfile.debian_buster.barebones.deb.test
@@ -4,14 +4,12 @@ ARG KASMVNC_PACKAGE_DIR
 COPY $KASMVNC_PACKAGE_DIR/kasmvncserver_*.deb /tmp
 RUN apt-get update && dpkg -i /tmp/*.deb; apt-get -yf install
 RUN apt-get update && apt-get -y install xterm
-# RUN apt-get update && apt-get -y install x11-xserver-utils xterm twm
 
-RUN useradd -m foo && addgroup foo ssl-cert
+RUN useradd -m foo
 
-USER foo
+USER foo:ssl-cert
 
 RUN mkdir ~/.vnc && echo '/usr/bin/xterm &' >> ~/.vnc/xstartup && \
   chmod +x ~/.vnc/xstartup
-RUN echo bar | kasmvncpasswd -f > $HOME/.kasmpasswd && chmod 0600 $HOME/.kasmpasswd
 
-ENTRYPOINT bash -c "vncserver :1 -interface 0.0.0.0 && vncserver -kill :1 && vncserver :1 -depth 24 -geometry 1280x1050 -websocketPort 8443 -cert /etc/ssl/certs/ssl-cert-snakeoil.pem -key /etc/ssl/private/ssl-cert-snakeoil.key -sslOnly -FrameRate=24 -interface 0.0.0.0 -httpd /usr/share/kasmvnc/www && tail -f $HOME/.vnc/*.log "
+ENTRYPOINT bash -c "echo -e \"$VNC_PW\n$VNC_PW\n\" | kasmvncpasswd -w -u $VNC_USER $HOME/.kasmpasswd && vncserver :1 -interface 0.0.0.0 && vncserver -kill :1 && vncserver :1 -depth 24 -geometry 1280x1050 -websocketPort 8443 -cert /etc/ssl/certs/ssl-cert-snakeoil.pem -key /etc/ssl/private/ssl-cert-snakeoil.key -sslOnly -FrameRate=24 -interface 0.0.0.0 -httpd /usr/share/kasmvnc/www && tail -f $HOME/.vnc/*.log "
diff --git a/builder/test-deb-barebones b/builder/test-deb-barebones
index cb94966..4fe878c 100755
--- a/builder/test-deb-barebones
+++ b/builder/test-deb-barebones
@@ -10,6 +10,5 @@ docker build --build-arg KASMVNC_PACKAGE_DIR="build/${os_codename}" \
   -t kasmvnctester_barebones_${os}:$os_codename \
   -f dockerfile.${os}_${os_codename}.barebones.deb.test .
 echo
-echo "You will be asked to set password. User name is docker."
 docker run -it -p 443:8443 --rm -e "VNC_USER=foo" -e "VNC_PW=foobar" \
   kasmvnctester_barebones_${os}:$os_codename