diff --git a/e2e/miniconstellation/main.sh.in b/e2e/miniconstellation/main.sh.in
index a34b751ad..19e1df279 100755
--- a/e2e/miniconstellation/main.sh.in
+++ b/e2e/miniconstellation/main.sh.in
@@ -29,7 +29,7 @@ terraform output -raw ssh_private_key > id_rsa
 chmod 600 id_rsa
 
 rg_name=$(terraform output -raw rg_name)
-echo "rgname=$rg_name" >> "$GITHUB_OUTPUT"
+echo "rgname=$rg_name" >> "${GITHUB_OUTPUT:-/dev/null}"
 
 azure_vm_ip=$(terraform output -raw public_ip)