diff --git a/providers/aws/resources/aws.lr b/providers/aws/resources/aws.lr
index 172d4929b7..de9c398174 100644
--- a/providers/aws/resources/aws.lr
+++ b/providers/aws/resources/aws.lr
@@ -65,7 +65,7 @@ private aws.vpc.routetable @defaults("id") {
 }
 
 // Amazon Virtual Private Cloud (VPC) Subnet
-private aws.vpc.subnet @defaults("id") {
+private aws.vpc.subnet @defaults("arn") {
   // ARN of the subnet
   arn string
   // Unique ID of the subnet