diff --git a/README.md b/README.md
index 823cb0c..1d9edf4 100644
--- a/README.md
+++ b/README.md
@@ -327,6 +327,7 @@ Default:
     "cidr_blocks": "0.0.0.0/0",
     "from_port": 0,
     "protocol": "-1",
+    "self": true,
     "to_port": 0
   }
 ]
diff --git a/variables.tf b/variables.tf
index a5aeb46..717157a 100644
--- a/variables.tf
+++ b/variables.tf
@@ -192,6 +192,7 @@ variable "default_security_group_egress" {
   default = [{
     from_port   = 0
     to_port     = 0
+    self        = true
     protocol    = "-1"
     cidr_blocks = "0.0.0.0/0"
   }]