diff --git a/core/includes/install.core.inc b/core/includes/install.core.inc
index 890af7a..b370a97 100644
--- a/core/includes/install.core.inc
+++ b/core/includes/install.core.inc
@@ -2218,7 +2218,8 @@ function install_display_requirements($install_state, $requirements) {
         // proceed in a single request so there is no good opportunity (and no
         // good method) to warn the user anyway.
         if (isset($requirement['severity']) && $requirement['severity'] == REQUIREMENT_ERROR) {
-          $failures[] = $requirement['title'] . ': ' . $requirement['value'] . "\n\n" . $requirement['description'];
+          $description = \Drupal::service('renderer')->renderPlain($requirement['description']);
+          $failures[] = $requirement['title'] . ': ' . $requirement['value'] . "\n\n" . $description;
         }
       }
       if (!empty($failures)) {