diff --git a/CHANGELOG.md b/CHANGELOG.md
index ae3a4e7..bb9987c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -64,3 +64,6 @@
 * 2.8.1 -- 2022-08-12
   - fix create_profile to edit census-do1 to do2-govcloud
   - generate only if access_keys enabled
+
+* 2.8.2 -- 2022-09-13
+  - fix lowercase() -> lower()
diff --git a/main.tf b/main.tf
index a33b240..b306ac5 100644
--- a/main.tf
+++ b/main.tf
@@ -153,11 +153,8 @@ resource "aws_iam_user_group_membership" "user_groups" {
 # enable email in SES
 #---
 resource "aws_ses_email_identity" "user_send_mail" {
-  #  count = var.enable_sending_mail && local.email_address != "" ? 1 : 0
-  #  for_each = var.enable_sending_mail && local.email_address != "" ? { local.username = local.email_address } : {}
-  for_each = var.enable_sending_mail ? { local.username = coalesce(lowercase(var.email_address), module.user_email.search_result["attribute_value"][0]) } : {}
-  #  email = local.email_address
-  email = lower(each.value)
+  for_each = var.enable_sending_mail ? toset(coalesce([lower(var.email_address)], module.user_email.search_result["attribute_value"])) : toset([])
+  email    = lower(each.key)
 }
 
 #---
diff --git a/version.tf b/version.tf
index af62a23..0f37aab 100644
--- a/version.tf
+++ b/version.tf
@@ -1,4 +1,4 @@
 locals {
   _module_name    = "aws-iam-user"
-  _module_version = "2.8.1"
+  _module_version = "2.8.2"
 }