diff --git a/scripts/gitlab/build_and_test.sh b/scripts/gitlab/build_and_test.sh
index 245d908fe..ab724d412 100755
--- a/scripts/gitlab/build_and_test.sh
+++ b/scripts/gitlab/build_and_test.sh
@@ -261,7 +261,7 @@ echo "~~~~~ To reproduce this build on ${truehostname}:"
 echo ""
 echo " git checkout `git rev-parse HEAD` && git submodule update --init --recursive"
 echo ""
-echo "SPACK_DISABLE_LOCAL_CONFIG=\"\" SPACK_USER_CACHE_PATH=\"ci_spack_cache\" python3 scripts/uberenv/uberenv.py --prefix=/tmp/\$(whoami)/uberenv \"${spec}\""
+echo "SPACK_DISABLE_LOCAL_CONFIG=\"\" SPACK_USER_CACHE_PATH=\"ci_spack_cache\" python3 scripts/uberenv/uberenv.py --prefix=/tmp/\$(whoami)/uberenv --spec=\"${spec}\""
 echo ""
 echo "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
 date