diff --git a/flowlogs-transit-gateway/main.tf b/flowlogs-transit-gateway/main.tf
index a4d55d3..249f63d 100644
--- a/flowlogs-transit-gateway/main.tf
+++ b/flowlogs-transit-gateway/main.tf
@@ -70,7 +70,7 @@ resource "aws_flow_log" "flowlog_s3" {
 
   # ignore thee until we figure out why it keeps wanting to replace it
   lifecycle {
-    ignore_changes = [iam_role_id, log_format]
+    ignore_changes = [iam_role_arn, log_format]
   }
 }