diff --git a/src/Element/CiviremoteFundingApplicationHistoryStatusChange.php b/src/Element/CiviremoteFundingApplicationHistoryStatusChange.php
index f307651..1475c07 100644
--- a/src/Element/CiviremoteFundingApplicationHistoryStatusChange.php
+++ b/src/Element/CiviremoteFundingApplicationHistoryStatusChange.php
@@ -57,7 +57,15 @@ public static function preRenderActivity(array $element): array {
     /** @var \Drupal\Core\Datetime\DateFormatterInterface $dateFormatter */
     $dateFormatter = \Drupal::service('date.formatter');
 
-    Assertion::string($element['#title']);
+    if (is_scalar($element['#title']) ||
+      (is_object($element['#title']) && method_exists($element['#title'], '__toString'))
+    ) {
+      $element['#title'] = (string) $element['#title'];
+    }
+    else {
+      throw new \InvalidArgumentException('Expected string for "#title", got ' . gettype($element['#title']));
+    }
+
     Assertion::isInstanceOf($element['#activity'], ApplicationProcessActivity::class);
     $activity = $element['#activity'];
 
diff --git a/src/Element/CiviremoteFundingClearingHistoryStatusChange.php b/src/Element/CiviremoteFundingClearingHistoryStatusChange.php
index 9e0d1b7..3ec9ffc 100644
--- a/src/Element/CiviremoteFundingClearingHistoryStatusChange.php
+++ b/src/Element/CiviremoteFundingClearingHistoryStatusChange.php
@@ -39,7 +39,7 @@ public function getInfo(): array {
       // Array mapping status to \Drupal\civiremote_funding\Api\DTO\Option.
       // Instance of \Drupal\civiremote_funding\Api\DTO\Option.
       '#status_option' => NULL,
-      '#title' => $this->t('Clearing Status: @status'),
+      '#title' => $this->t('Clearing Status: @status')->__toString(),
       '#status_label' => NULL,
       '#source_contact_title' => $this->t('Performed by'),
       '#pre_render' => [
@@ -57,7 +57,15 @@ public static function preRenderActivity(array $element): array {
     /** @var \Drupal\Core\Datetime\DateFormatterInterface $dateFormatter */
     $dateFormatter = \Drupal::service('date.formatter');
 
-    Assertion::string($element['#title']);
+    if (is_scalar($element['#title']) ||
+      (is_object($element['#title']) && method_exists($element['#title'], '__toString'))
+    ) {
+      $element['#title'] = (string) $element['#title'];
+    }
+    else {
+      throw new \InvalidArgumentException('Expected string for "#title", got ' . gettype($element['#title']));
+    }
+
     Assertion::isInstanceOf($element['#activity'], ApplicationProcessActivity::class);
     $activity = $element['#activity'];