diff --git a/terraform/product/modules/landscape-scalable/main.tf b/terraform/product/modules/landscape-scalable/main.tf
index 2c906c24..4f022304 100644
--- a/terraform/product/modules/landscape-scalable/main.tf
+++ b/terraform/product/modules/landscape-scalable/main.tf
@@ -531,7 +531,6 @@ resource "juju_integration" "haproxy_receive_ca_certs" {
 resource "juju_application" "pgbouncer" {
   name       = var.pgbouncer.app_name
   model_uuid = var.model_uuid
-  units      = 0
   config     = var.pgbouncer.config
 
   charm {
@@ -541,6 +540,11 @@ resource "juju_application" "pgbouncer" {
     base     = var.pgbouncer.base
   }
 
+  lifecycle {
+    # It's a subordinate
+    ignore_changes = [units]
+  }
+
   count = var.pgbouncer != null && local.has_modern_pg_interface ? 1 : 0
 }