diff --git a/app/models/email_address.rb b/app/models/email_address.rb
index c0f7779be..6267ff2bc 100644
--- a/app/models/email_address.rb
+++ b/app/models/email_address.rb
@@ -16,7 +16,7 @@ class EmailAddress < ApplicationRecord
   end
 
   def nondisposable?
-    EmailValidator.nondisposable?(address)
+    EmailValidator.nondisposable?(normalized_address)
   end
 
   def validate_deliverable