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-rw-r--r--activerecord/lib/active_record/acts/list.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/acts/list.rb b/activerecord/lib/active_record/acts/list.rb
index ce1c59d422..0e0e1e4f36 100644
--- a/activerecord/lib/active_record/acts/list.rb
+++ b/activerecord/lib/active_record/acts/list.rb
@@ -174,7 +174,7 @@ module ActiveRecord
def bottom_item(except = nil)
conditions = scope_condition
- conditions = "#{conditions} AND id != #{except.id}" if except
+ conditions = "#{conditions} AND #{self.class.primary_key} != #{except.id}" if except
acts_as_list_class.find(:first, :conditions => conditions, :order => "#{position_column} DESC")
end