diff --git a/app/models/internal_user.rb b/app/models/internal_user.rb
index 9cef2cb4..4e13e908 100644
--- a/app/models/internal_user.rb
+++ b/app/models/internal_user.rb
@@ -2,7 +2,7 @@ class InternalUser < User
 
   authenticates_with_sorcery!
 
-  validates :email, presence: true, uniqueness: true
+  validates :email, presence: true, uniqueness: true, case_sensitive: false
   validates :password, confirmation: true, if: :password_void?, on: :update, presence: true
   validates :role, inclusion: {in: ROLES}
 
diff --git a/config/initializers/sorcery.rb b/config/initializers/sorcery.rb
index 1735265f..46d97ff6 100644
--- a/config/initializers/sorcery.rb
+++ b/config/initializers/sorcery.rb
@@ -158,7 +158,7 @@ Rails.application.config.sorcery.configure do |config|
     # downcase the username before trying to authenticate, default is false
     # Default: `false`
     #
-    # user.downcase_username_before_authenticating =
+    user.downcase_username_before_authenticating = true
 
 
     # change default email attribute.