diff --git a/gql.go b/gql.go
index 78e2055..9262684 100644
--- a/gql.go
+++ b/gql.go
@@ -534,11 +534,11 @@ func MakeGQLHandlers(ctx * GraphContext, server * GQLThread) (func(http.Response
   }
   gql_ctx := context.Background()
   gql_ctx = context.WithValue(gql_ctx, "valid_nodes", valid_nodes)
-  gql_ctx = context.WithValue(gql_ctx, "node_type", node_type)
+  gql_ctx = context.WithValue(gql_ctx, "node_type", &node_type)
   gql_ctx = context.WithValue(gql_ctx, "valid_lockables", valid_lockables)
-  gql_ctx = context.WithValue(gql_ctx, "lockable_type", lockable_type)
+  gql_ctx = context.WithValue(gql_ctx, "lockable_type", &lockable_type)
   gql_ctx = context.WithValue(gql_ctx, "valid_threads", valid_threads)
-  gql_ctx = context.WithValue(gql_ctx, "thread_type", thread_type)
+  gql_ctx = context.WithValue(gql_ctx, "thread_type", &thread_type)
   gql_ctx = context.WithValue(gql_ctx, "gql_server", server)
   gql_ctx = context.WithValue(gql_ctx, "graph_context", ctx)
   return GQLHandler(ctx, schema, gql_ctx), GQLWSHandler(ctx, schema, gql_ctx)