diff --git a/lib/ansible/modules/cloud/amazon/ec2_elb_lb.py b/lib/ansible/modules/cloud/amazon/ec2_elb_lb.py
index 761cef5fb01..471429dde44 100644
--- a/lib/ansible/modules/cloud/amazon/ec2_elb_lb.py
+++ b/lib/ansible/modules/cloud/amazon/ec2_elb_lb.py
@@ -107,6 +107,7 @@ options:
     description:
       - Wait a specified timeout allowing connections to drain before terminating an instance
     required: false
+    default: "None"
     aliases: []
     version_added: "1.8"
   idle_timeout: