diff --git a/core/includes/update.inc b/core/includes/update.inc
index 210e8bd..bdcc2e4 100644
--- a/core/includes/update.inc
+++ b/core/includes/update.inc
@@ -98,8 +98,9 @@ function update_check_requirements() {
   // Check requirements of all loaded modules.
   $requirements = [];
   foreach (\Drupal::moduleHandler()->getModuleList() as $module) {
-    $requirements += \Drupal::moduleHandler()->invoke($module, 'requirements', array('install'));
-    \Drupal::moduleHandler()->alter('requirements', $requirements, $module);
+    $module_name = $module->getName();
+    $requirements = \Drupal::moduleHandler()->invoke($module_name, 'requirements', ['update']) ?: [];
+    \Drupal::moduleHandler()->alter('requirements', $module_requirements, $module_name);
   }
   $requirements += update_system_schema_requirements();
   return $requirements;