diff -u b/core/modules/rdf/rdf.module b/core/modules/rdf/rdf.module
--- b/core/modules/rdf/rdf.module
+++ b/core/modules/rdf/rdf.module
@@ -275,7 +275,7 @@
  *
  * @todo remove after https://www.drupal.org/node/2556785 is fixed.
  */
-function rdf_preprocess_node__article(&$variables) {
+function rdf_preprocess_field__node(&$variables) {
   // Just an empty hook to avoid https://www.drupal.org/node/2556785.
 }