Fix not being able to change world filter expiration back to “Never” (#15858)

Fixes #15849

1 files changed, 1 insertions, 1 deletions

diff --git a/app/models/concerns/expireable.rb b/app/models/concerns/expireable.rb
index a66a4661b..4d902abcb 100644
--- a/app/models/concerns/expireable.rb
+++ b/app/models/concerns/expireable.rb
@@ -17,7 +17,7 @@ module Expireable
     end
 
     def expires_in=(interval)
-      self.expires_at = interval.to_i.seconds.from_now if interval.present?
+      self.expires_at = interval.present? ? interval.to_i.seconds.from_now : nil 
       @expires_in     = interval
     end