diff --git a/lib/Glib/Object/Subclass.pm b/lib/Glib/Object/Subclass.pm
index 1652d8e..5968b65 100644
--- a/lib/Glib/Object/Subclass.pm
+++ b/lib/Glib/Object/Subclass.pm
@@ -227,12 +227,12 @@ sub import {
    # ignore anything that doesn't look like a registration attempt.
    return unless @_ > 1;
 
-   my ($self, $superclass, %arg) = @_;
+   my ($self, $superclass, @args) = @_;
    my $class = caller;
 
    Glib::Type->register_object(
       $superclass, $class,
-      %arg,
+      @args,
    );
 
    # ensure that we have a perlish new().  the old version of this