diff --git a/lib/global_id/uri/gid.rb b/lib/global_id/uri/gid.rb
index e54bb1f..e9c16ef 100644
--- a/lib/global_id/uri/gid.rb
+++ b/lib/global_id/uri/gid.rb
@@ -173,5 +173,9 @@ def parse_query_params(query)
       end
   end
 
-  @@schemes['GID'] = GID
+  if respond_to?(:register_scheme)
+    register_scheme('GID', GID)
+  else
+    @@schemes['GID'] = GID
+  end
 end