diff --git a/src/Controller/RegenerateDerivativesController.php b/src/Controller/RegenerateDerivativesController.php
index 108a28c..8b16f2a 100644
--- a/src/Controller/RegenerateDerivativesController.php
+++ b/src/Controller/RegenerateDerivativesController.php
@@ -48,10 +48,11 @@ final class RegenerateDerivativesController extends ControllerBase {
     $referer = $request->headers->get('referer');
 
     $media = $this->islandoraUtils->getMediaReferencingNodeAndTerm($node, $term);
-    if (count($media) == 0) {
+    $media_count = count("media");
+    if ($media_count == 0) {
       $status = $this->t("Derivative generation requires a media tagged Original File.");
     }
-    if (count($media) === 1) {
+    if ($media_count === 1) {
       $media = $this->entityTypeManager()->getStorage('media')->load(reset($media));
       $this->islandoraUtils->executeDerivativeReactions(
         '\Drupal\islandora\Plugin\ContextReaction\DerivativeReaction',
@@ -60,7 +61,7 @@ final class RegenerateDerivativesController extends ControllerBase {
       );
       $status = $this->t('Derivative generation requests were added to the queue.');
     }
-    if (count($media) > 1) {
+    if ($media_count > 1) {
       $status = $this->t("Derivative generation is unreliable when there are more than one original files associated with a node.");
     }
     $this->messenger()->addStatus($status);