diff --git a/openstack-tf/modules/geoserver/variables-geoserver.tf b/openstack-tf/modules/geoserver/variables-geoserver.tf
index c437ae1..9731ab5 100644
--- a/openstack-tf/modules/geoserver/variables-geoserver.tf
+++ b/openstack-tf/modules/geoserver/variables-geoserver.tf
@@ -20,6 +20,7 @@ locals {
   geoserver_instances = {
     "geona"                   = { name = "geoserver-geona", description = "Geoserver geona instance", flavor = var.flavor_list.m1_xlarge, vol_data_name = "geoserver-geona_data_volume", vol_data_size = "50" },
     "esquiline"               = { name = "geoserver-esquiline", description = "Geoserver esquiline instance", flavor = var.flavor_list.m2_small, vol_data_name = "geoserver-esquiline_data_volume", vol_data_size = "20" },
+    "ariadne"                 = { name = "geoserver-ariadne", description = "Geoserver ariadne instance", flavor = var.flavor_list.m2_small, vol_data_name = "geoserver-ariadne_data_volume", vol_data_size = "20" },
     "grsf"                    = { name = "geoserver-grsf", description = "Geoserver grsf instance", flavor = var.flavor_list.m1_large, vol_data_name = "geoserver-grsf_data_volume", vol_data_size = "40" },
     "protectedareaimpactmaps" = { name = "geoserver-protectedareaimpactmaps", description = "Geoserver protectedareaimpactmaps instance", flavor = var.flavor_list.c1_large, vol_data_name = "geoserver-protectedareaimpactmaps_data_volume", vol_data_size = "70" },
     "sdi-lab"                 = { name = "geoserver-sdi-lab", description = "Geoserver sdi-lab instance", flavor = var.flavor_list.m1_large, vol_data_name = "geoserver-sdi-lab_data_volume", vol_data_size = "100" },