1 files changed, 6 insertions, 5 deletions
diff --git a/activemodel/lib/active_model/validations/associated.rb b/activemodel/lib/active_model/validations/associated.rb
index b2d78af580..ba4af5d66d 100644
--- a/activemodel/lib/active_model/validations/associated.rb
+++ b/activemodel/lib/active_model/validations/associated.rb
@@ -18,14 +18,14 @@ module ActiveModel
       #     validates_associated :book
       #   end
       #
-      # ...this would specify a circular dependency and cause infinite recursion.
+      # this would specify a circular dependency and cause infinite recursion.
       #
       # NOTE: This validation will not fail if the association hasn't been assigned. If you want to ensure that the association
       # is both present and guaranteed to be valid, you also need to use +validates_presence_of+.
       #
       # Configuration options:
       # * <tt>:message</tt> - A custom error message (default is: "is invalid")
-      # * <tt>:on</tt> - Specifies when this validation is active (default is <tt>:save</tt>, other options <tt>:create</tt>, <tt>:update</tt>)
+      # * <tt>:on</tt> - Specifies when this validation is active (default is <tt>:save</tt>, other options <tt>:create</tt>, <tt>:update</tt>).
       # * <tt>:if</tt> - Specifies a method, proc or string to call to determine if the validation should
       #   occur (e.g. <tt>:if => :allow_validation</tt>, or <tt>:if => Proc.new { |user| user.signup_step > 2 }</tt>).  The
       #   method, proc or string should return or evaluate to a true or false value.
@@ -33,12 +33,13 @@ module ActiveModel
       #   not occur (e.g. <tt>:unless => :skip_validation</tt>, or <tt>:unless => Proc.new { |user| user.signup_step <= 2 }</tt>).  The
       #   method, proc or string should return or evaluate to a true or false value.
       def validates_associated(*attr_names)
-        configuration = { :message => ActiveRecord::Errors.default_error_messages[:invalid], :on => :save }
+        configuration = { :on => :save }
         configuration.update(attr_names.extract_options!)
 
         validates_each(attr_names, configuration) do |record, attr_name, value|
-          record.errors.add(attr_name, configuration[:message]) unless
-            (value.is_a?(Array) ? value : [value]).inject(true) { |v, r| (r.nil? || r.valid?) && v }
+          unless (value.is_a?(Array) ? value : [value]).collect { |r| r.nil? || r.valid? }.all?
+            record.errors.add(attr_name, :invalid, :default => configuration[:message], :value => value)
+          end
         end
       end
     end