diff --git a/steps-guix/improve/guix-build-iso.sh b/steps-guix/improve/guix-build-iso.sh
index ab827502..00005a4e 100644
--- a/steps-guix/improve/guix-build-iso.sh
+++ b/steps-guix/improve/guix-build-iso.sh
@@ -19,6 +19,8 @@ fi
 
 mkdir -p "${out_dir}"
 
+cp /var/guix/profiles/per-user/root/current-guix/manifest /usr/manifest
+
 iso_store_path="$(guix system image \
     --system=x86_64-linux \
     -t iso9660 \