diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb
index 3eea5fa157..0dbf9a2208 100644
--- a/activerecord/lib/active_record/relation/finder_methods.rb
+++ b/activerecord/lib/active_record/relation/finder_methods.rb
@@ -112,10 +112,9 @@ module ActiveRecord
     def sole
       found, undesired = first(2)
 
-      case
-      when found.nil?
+      if found.nil?
         raise_record_not_found_exception!
-      when undesired.present?
+      elsif undesired.present?
         raise ActiveRecord::SoleRecordExceeded.new(self)
       else
         found