diff --git a/containers/jug/dev.Dockerfile b/containers/jug/dev.Dockerfile
index 12673977e305c0ab27b38dfa145b8c19bc4209a5..d60a4d5a7839d15ed4a2f45bcd8a40a254586246 100644
--- a/containers/jug/dev.Dockerfile
+++ b/containers/jug/dev.Dockerfile
@@ -140,6 +140,7 @@ RUN --mount=type=cache,target=/var/cache/spack-mirror                   \
 ARG S3RW_ACCESS_KEY=""
 ARG S3RW_SECRET_KEY=""
 ADD aws_config /root/.aws/config
+ENV AWS_CONFIG_FILE=/root/.aws/config
 RUN cd /opt/spack-environment                                           \
  && spack env activate .                                                \
  && if [ -n "${S3RW_ACCESS_KEY}" ] ; then                               \