diff --git a/octopus-samples-instances/aws-base-infrastructure-terraform/rds.tf b/octopus-samples-instances/aws-base-infrastructure-terraform/rds.tf
index 97f7d4e..729c4f3 100644
--- a/octopus-samples-instances/aws-base-infrastructure-terraform/rds.tf
+++ b/octopus-samples-instances/aws-base-infrastructure-terraform/rds.tf
@@ -63,12 +63,7 @@ resource "aws_db_parameter_group" "solutions_postgresql" {
   name = "solutions-postgresql"
   family = "postgres14"
     parameter {
-    name  = "character_set_server"
-    value = "utf8"
-  }
-
-  parameter {
-    name  = "character_set_client"
+    name  = "server_encoding"
     value = "utf8"
   }
 }