diff --git a/lib/generators/authentication/templates/models/event.rb.tt b/lib/generators/authentication/templates/models/event.rb.tt
index 8bb724a..3f8393a 100644
--- a/lib/generators/authentication/templates/models/event.rb.tt
+++ b/lib/generators/authentication/templates/models/event.rb.tt
@@ -1,6 +1,8 @@
 class Event < ApplicationRecord
   belongs_to :user
 
+  validates :action, presence: true, allow_blank: false
+
   before_create do
     self.user_agent = Current.user_agent
     self.ip_address = Current.ip_address