diff --git a/containers/jug/dev.Dockerfile b/containers/jug/dev.Dockerfile
index 887ab90456da7628488745582a4156d28ccfbaed..b886d6df918c69c9427eaaceb8b04e892b52d0e0 100644
--- a/containers/jug/dev.Dockerfile
+++ b/containers/jug/dev.Dockerfile
@@ -86,7 +86,7 @@ RUN --mount=type=cache,target=/var/cache/spack-mirror                   \
       --s3-endpoint-url https://dtn01.sdcc.bnl.gov:9000                 \
       --s3-access-key-id ${S3_ACCESS_KEY}                               \
       --s3-access-key-secret ${S3_SECRET_KEY}                           \
-      eic-spack s3://eictest/EPIC                                       \
+      eic-spack s3://eictest/EPIC/spack                                 \
     ; fi                                                                \
  && spack mirror list