diff --git a/src/EventListener/MeilisearchPageMarkerListener.php b/src/EventListener/MeilisearchPageMarkerListener.php
index 1e6f7c8..a2d0d92 100644
--- a/src/EventListener/MeilisearchPageMarkerListener.php
+++ b/src/EventListener/MeilisearchPageMarkerListener.php
@@ -16,6 +16,13 @@ class MeilisearchPageMarkerListener
             return $buffer;
         }
 
+        // ⛔ Marker bereits vorhanden → nichts mehr tun
+        if (str_contains($buffer, '⟦MEILISEARCH_META⟧')
+            || str_contains($buffer, 'MEILISEARCH_JSON')
+        ) {
+            return $buffer;
+        }
+
         $data = [];
 
         /*