diff --git a/base-ubuntu/Dockerfile b/base-ubuntu/Dockerfile
index bfb4e50..d4cd9a4 100644
--- a/base-ubuntu/Dockerfile
+++ b/base-ubuntu/Dockerfile
@@ -33,6 +33,7 @@ RUN mkdir -p ${WORKSPACE_DIR} && chown ${USERNAME}:${USERNAME} ${WORKSPACE_DIR}
 WORKDIR ${WORKSPACE_DIR}
 
 USER ${USERNAME}
+ENV USER=${USERNAME}
 
 COPY install-packages.sh /tmp/install-packages.sh
 RUN sudo chmod +x /tmp/install-packages.sh && /tmp/install-packages.sh && sudo rm /tmp/install-packages.sh