diff --git a/src/Exporter/ContentExporter.php b/src/Exporter/ContentExporter.php
index 6bc0269..0fd92f3 100755
--- a/src/Exporter/ContentExporter.php
+++ b/src/Exporter/ContentExporter.php
@@ -27,7 +27,7 @@ public function __construct(Serializer $serializer) {
    */
   public function exportEntity(ContentEntityInterface $entity, array $context = []) {
     $context = $this->context + $context;
-    // Allows to know to normalizers that this is a content sync generated entity.
+    // Allows normalizers to know that this is a content sync generated entity.
     $context += [
       'content_sync' => TRUE,
     ];
diff --git a/src/Normalizer/ContentEntityNormalizer.php b/src/Normalizer/ContentEntityNormalizer.php
index e8f8312..8d7fce1 100755
--- a/src/Normalizer/ContentEntityNormalizer.php
+++ b/src/Normalizer/ContentEntityNormalizer.php
@@ -303,4 +303,19 @@ protected function cleanupData(&$data, $entity_type_id, $bundle = FALSE) {
     }
   }
 
+
+  /**
+   * @inheritdoc
+   */
+  public function supportsNormalization($data, $format = NULL, array $context = []): bool {
+    return parent::supportsNormalization($data, $format, $context) && ($context['content_sync'] ?? FALSE);
+  }
+
+  /**
+   * @inheritdoc
+   */
+  public function supportsDenormalization($data, $type, $format = NULL, array $context = []): bool {
+    return parent::supportsDenormalization($data, $type, $format, $context);
+  }
+
 }