diff --git a/core/lib/Drupal/Core/Entity/EntityManager.php b/core/lib/Drupal/Core/Entity/EntityManager.php
index 0a524b0..ff3b499 100644
--- a/core/lib/Drupal/Core/Entity/EntityManager.php
+++ b/core/lib/Drupal/Core/Entity/EntityManager.php
@@ -337,7 +337,7 @@ protected function buildBaseFieldDefinitions($entity_type_id) {
 
     // Retrieve base field definitions from modules.
     foreach ($this->moduleHandler->getImplementations('entity_base_field_info') as $module) {
-      $module_definitions = $this->moduleHandler->invoke($module, 'entity_base_field_info', $entity_type);
+      $module_definitions = $this->moduleHandler->invoke($module, 'entity_base_field_info', array($entity_type));
       if (!empty($module_definitions)) {
         // Ensure the provider key actually matches the name of the provider
         // defining the field.
@@ -424,7 +424,7 @@ protected function buildBundleFieldDefinitions($entity_type_id, $bundle, array $
 
     // Retrieve base field definitions from modules.
     foreach ($this->moduleHandler->getImplementations('entity_bundle_field_info') as $module) {
-      $module_definitions = $this->moduleHandler->invoke($module, 'entity_bundle_field_info', $entity_type, $bundle, $bundle_field_module_definitions);
+      $module_definitions = $this->moduleHandler->invoke($module, 'entity_bundle_field_info', array($entity_type, $bundle, $base_field_definitions));
       if (!empty($module_definitions)) {
         // Ensure the provider key actually matches the name of the provider
         // defining the field.