diff --git a/activerecord/lib/active_record/associations/builder/collection_association.rb b/activerecord/lib/active_record/associations/builder/collection_association.rb
index 38a70f3efd24828264242eeae513fa98c70451b9..d640446a6d0ff7655d0718528a1029970092c11c 100644
--- a/activerecord/lib/active_record/associations/builder/collection_association.rb
+++ b/activerecord/lib/active_record/associations/builder/collection_association.rb
@@ -25,8 +25,10 @@ def initialize(name, scope, options)
 
     def define_callbacks(model, reflection)
       super
+      name    = reflection.name
+      options = reflection.options
       CALLBACKS.each { |callback_name|
-        define_callback(model, callback_name, reflection.name, reflection.options)
+        define_callback(model, callback_name, name, options)
       }
     end