diff --git a/Dockerfile b/Dockerfile
index c6bffb25..2d1be2a8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,12 +4,14 @@ RUN yum install -y gcc python python-pip python-devel openssl-devel sqlite sqlit
 
 RUN useradd synda
 
-RUN su synda -c "echo 'ST_HOME=/home/synda/sdt' >> /home/synda/.bashrc; echo 'PATH=$ST_HOME/bin:$PATH' >> /home/synda/.bashrc"
+ENV ST_HOME=/home/synda/sdt
+ENV PATH=$ST_HOME/bin:$PATH
 
 RUN su synda -c "mkdir -p /home/synda/src/synda && cd /home/synda/src/synda && wget https://raw.githubusercontent.com/Prodiguer/synda/master/sdc/install.sh && chmod +x install.sh && ./install.sh"
 
 RUN wget -O /tmp/synda_autologin.sh http://esgf-build.ipsl.upmc.fr/synda_autologin.sh; cat /tmp/synda_autologin.sh >> /root/.bashrc
 
+RUN su synda -c "echo 'ST_HOME=/home/synda/sdt' >> /home/synda/.bashrc; echo 'PATH=$ST_HOME/bin:$PATH' >> /home/synda/.bashrc"