diff --git a/route53-zone-association/zone/main.tf b/route53-zone-association/zone/main.tf
index 8a194d0..e722ded 100644
--- a/route53-zone-association/zone/main.tf
+++ b/route53-zone-association/zone/main.tf
@@ -31,7 +31,7 @@ resource "aws_route53_zone_association" "self_zone" {
 
   zone_id    = each.key
   vpc_id     = var.vpc_id
-  vpc_region = var.region == null ? data.aws_region.peer.name : var.region
+  vpc_region = var.region == null ? data.aws_region.self.name : var.region
 
   depends_on = [aws_route53_vpc_association_authorization.self_zone]
 }