diff --git a/containers/builder/Dockerfile b/containers/builder/Dockerfile
index 03ff8664a26d96c7080dca802feba9e366904529..56f3d964216bd550e35f8f55c839e8b8bc9280ba 100644
--- a/containers/builder/Dockerfile
+++ b/containers/builder/Dockerfile
@@ -32,7 +32,7 @@ COPY spack.yaml /opt/spack-environment/spack.yaml
 ##       and only initialize the custom packages here for more
 ##       transparency
 RUN rm -rf $SPACK_ROOT/np-spack \
- && cp -r ../../spack $SPACK_ROOT/np-spack
+ && cp -r ../../spack $SPACK_ROOT/np-spack \
  && cd $SPACK_ROOT/np-spack \
  && echo "repos:" > $SPACK_ROOT/etc/spack/repos.yaml \
  && echo " - $SPACK_ROOT/np-spack" >> $SPACK_ROOT/etc/spack/repos.yaml