diff --git a/lib/MooseX/Declare/Context/WithOptions.pm b/lib/MooseX/Declare/Context/WithOptions.pm
index 8bb99fa..8042396 100644
--- a/lib/MooseX/Declare/Context/WithOptions.pm
+++ b/lib/MooseX/Declare/Context/WithOptions.pm
@@ -2,7 +2,7 @@ package MooseX::Declare::Context::WithOptions;
 
 use Moose::Role;
 use Carp qw/croak/;
-use MooseX::Types::Moose 0.20 qw/HashRef/;
+use MooseX::Types::Moose 0.20 qw/HashRef ArrayRef/;
 
 use namespace::clean -except => 'meta';
 
@@ -13,6 +13,13 @@ has options => (
     lazy    => 1,
 );
 
+has allowed_option_names => (
+    is      => 'rw',
+    isa     => ArrayRef,
+    default => sub { [qw/extends with is/] },
+    lazy    => 1,
+);
+
 sub strip_options {
     my ($self) = @_;
     my %ret;
@@ -33,7 +40,7 @@ sub strip_options {
         }
 
         croak "unknown option name '$key'"
-            unless $key =~ /^(extends|with|is)$/;
+            unless grep { $key eq $_ } @{ $self->allowed_option_names };
 
         my $val = $self->strip_name;
         if (!defined $val) {