diff --git a/app/models/webpush_subscription.rb b/app/models/webpush_subscription.rb
index 5169e87..cb31b02 100644
--- a/app/models/webpush_subscription.rb
+++ b/app/models/webpush_subscription.rb
@@ -26,7 +26,7 @@ class WebpushSubscription < ApplicationRecord
   private
 
   def normalize_urgency(urgency)
-    if URGENCY.includes? urgency.to_s
+    if URGENCY.include? urgency.to_s
       urgency.to_s
     else
       'normal'