diff --git a/app/models/custom_filter.rb b/app/models/custom_filter.rb
index 342207a55..382562fb8 100644
--- a/app/models/custom_filter.rb
+++ b/app/models/custom_filter.rb
@@ -35,6 +35,13 @@ class CustomFilter < ApplicationRecord
   before_validation :clean_up_contexts
   after_commit :remove_cache
 
+  def expires_in
+    return @expires_in if defined?(@expires_in)
+    return nil if expires_at.nil?
+
+    [30.minutes, 1.hour, 6.hours, 12.hours, 1.day, 1.week].find { |expires_in| expires_in.from_now >= expires_at }
+  end
+
   private
 
   def clean_up_contexts