diff --git a/.rubocop.yml b/.rubocop.yml
index 2007b91dc..dc61db8c8 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -725,6 +725,9 @@ Style/ClassVars:
 Style/CollectionMethods:
   Enabled: true
 
+Style/ComparableBetween:
+  Enabled: true
+
 Style/DigChain:
   Enabled: true
 
diff --git a/app/models/poll.rb b/app/models/poll.rb
index 8b6ec8624..68c15face 100644
--- a/app/models/poll.rb
+++ b/app/models/poll.rb
@@ -116,7 +116,7 @@ class Poll < ApplicationRecord
   end
 
   def current?(timestamp = Time.current)
-    starts_at <= timestamp && timestamp <= ends_at
+    timestamp.between?(starts_at, ends_at)
   end
 
   def expired?(timestamp = Time.current)