diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 62e3d158ca3f1f437b71141a0797214714ce8973..29b31997f774426d5c4f220c4850b701e1dc549c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -62,7 +62,7 @@ spack:setup:
     - |
       mkdir -p /stack/extra_repos/
 
-      EXTERNAL_REPOS=$(jq -r '.spack.repos | .[]' config.json)
+      EXTERNAL_REPOS=$(jq -r '.spack.repos | keys[]' config.json)
 
       echo "Repos: ${EXTERNAL_REPOS}"