Index: t/meta.t
===================================================================
--- t/meta.t	(revision 0)
+++ t/meta.t	(revision 0)
@@ -0,0 +1,30 @@
+use strict;
+use warnings;
+use Carp ();
+use Test::More tests => 4;
+use MooseX::Adopt::Class::Accessor::Fast;
+{
+    package TestPackage;
+    use Moose;
+    with 'MooseX::Emulate::Class::Accessor::Fast';
+    __PACKAGE__->mk_accessors(qw/ normal /);
+    __PACKAGE__->meta->make_immutable;
+}
+{
+    package TestPackage::SubClass;
+    use base qw/TestPackage/;
+    __PACKAGE__->mk_accessors(qw/ meta /);
+}
+
+my $i = TestPackage::SubClass->new({ normal => 42, meta => 66 });
+
+# 1,2
+is $i->normal, 42, 'normal accessor read value from constructor';
+$i->normal(2);
+is $i->normal, 2, 'normal accessor read set value';
+
+# 3,4
+is $i->meta, 66, 'meta accessor read value from constructor';
+$i->meta(9);
+is $i->meta, 9, 'meta accessor read set value';
+
Index: lib/MooseX/Emulate/Class/Accessor/Fast.pm
===================================================================
--- lib/MooseX/Emulate/Class/Accessor/Fast.pm	(revision 7020)
+++ lib/MooseX/Emulate/Class/Accessor/Fast.pm	(working copy)
@@ -93,14 +93,15 @@
 
 sub mk_accessors{
   my $self = shift;
-  my $meta = $self->meta;
+  my $meta = $self->Moose::Object::meta;
+  $meta->make_mutable if $meta->is_immutable;
   for my $attr_name (@_){
     my $reader = $self->accessor_name_for($attr_name);
     my $writer = $self->mutator_name_for( $attr_name);
 
     #dont overwrite existing methods
     if($reader eq $writer){
-      my %opts = ( $self->can($reader) ? () : (accessor => $reader) );
+      my %opts = ( $self->can($reader) && $reader ne 'meta' ? () : (accessor => $reader) );
       my $attr = $meta->add_attribute($attr_name, %opts);
       if($attr_name eq $reader){
         my $alias = "_${attr_name}_accessor";
@@ -115,6 +116,7 @@
       $meta->add_attribute($attr_name, @opts);
     }
   }
+  $meta->make_immutable;
 }
 
 =head2 mk_ro_accessors @field_names