diff --git a/terraform/environments/planetfm/locals_production.tf b/terraform/environments/planetfm/locals_production.tf
index ba05bc8155f..83697165a97 100644
--- a/terraform/environments/planetfm/locals_production.tf
+++ b/terraform/environments/planetfm/locals_production.tf
@@ -11,5 +11,22 @@ locals {
         ]
       }
     }
+    baseline_acm_certificates = {
+      planetfm_wildcard_cert = {
+        domain_name = module.environment.domains.public.modernisation_platform
+          subject_alternate_names = [
+            "*.planetfm.service.justice.gov.uk",
+            "cafmwebx.az.justice.gov.uk",
+            "cafmwebx2.az.justice.gov.uk",
+            "cafmtx.az.justice.gov.uk",
+            "cafmtrainweb.az.justice.gov.uk",
+          ]
+        external_validation_records_created = false
+        cloudwatch_metric_alarms            = module.baseline_presets.cloudwatch_metric_alarms.acm
+        tags = {
+          description = "wildcard cert for planetfm ${local.environment} domains"
+        }        
+      }
+    }
   }
 }