diff --git a/dist/scripts/src/fetch-secrets.sh b/dist/scripts/src/fetch-secrets.sh
index 3331eb4..e24693a 100755
--- a/dist/scripts/src/fetch-secrets.sh
+++ b/dist/scripts/src/fetch-secrets.sh
@@ -59,7 +59,7 @@ main() {
             output_file="${secrets_dir}/${filename}"
         fi
 
-        if [[ -z ${env} ]]; then
+        if [[ ${env} == "null" ]]; then
             printf "Warning: Environment not specified for secret %s, assuming 'prod'\n" "${local_secret}" >&2
         fi