diff --git a/openstack-tf/modules/timescaledb/timescaledb.tf b/openstack-tf/modules/timescaledb/timescaledb.tf
index bf10dc0..9a7b0bd 100644
--- a/openstack-tf/modules/timescaledb/timescaledb.tf
+++ b/openstack-tf/modules/timescaledb/timescaledb.tf
@@ -49,7 +49,7 @@ resource "openstack_networking_secgroup_rule_v2" "timescaledb_access_from_dedica
 
 resource "openstack_compute_servergroup_v2" "timescaledb_cluster" {
   name     = "timescaledb_cluster"
-  policies = ["soft-anti-affinity"]
+  policies = [var.timescaledb_affinity_policy]
 }
 
 # Instances with an additional block device
diff --git a/openstack-tf/modules/timescaledb/variables-timescaledb.tf b/openstack-tf/modules/timescaledb/variables-timescaledb.tf
index 9037c82..396070c 100644
--- a/openstack-tf/modules/timescaledb/variables-timescaledb.tf
+++ b/openstack-tf/modules/timescaledb/variables-timescaledb.tf
@@ -7,6 +7,10 @@ variable "timescaledb_server_data" {
   }
 }
 
+variable "timescaledb_affinity_policy" {
+  default = "soft-anti-affinity"
+}
+
 variable "timescaledb_node_flavor" {
   default = ""
 }