diff --git a/common-test/overlay/etc/hiera/data/group.yaml b/common-test/overlay/etc/hiera/data/group.yaml
index bcefde6..a73d3e8 100644
--- a/common-test/overlay/etc/hiera/data/group.yaml
+++ b/common-test/overlay/etc/hiera/data/group.yaml
@@ -6,6 +6,7 @@ mariadb_clients:
   - 89.47.184.35   # internal-sto1-test-radius-1.geteduroam.sunet.se
   - 89.45.237.158   # internal-sto3-test-radius-3.geteduroam.sunet.se
   - 89.45.236.104   # internal-sto3-test-app-3.geteduroam.sunet.se
+  - 89.47.185.119  # internal-sto1-test-backup-1.geteduroam.se
 mariadb_cluster_nodes:
   - 89.47.190.31   # internal-dco-test-db-2.geteduroam.sunet.se
   - 89.47.185.133 # internal-sto1-test-db-1.geteduroam.sunet.se