diff --git a/backend/src/main/java/org/raddatz/familienarchiv/repository/DocumentRepository.java b/backend/src/main/java/org/raddatz/familienarchiv/repository/DocumentRepository.java
index 92517f4b..1f1af2cc 100644
--- a/backend/src/main/java/org/raddatz/familienarchiv/repository/DocumentRepository.java
+++ b/backend/src/main/java/org/raddatz/familienarchiv/repository/DocumentRepository.java
@@ -46,6 +46,8 @@ public interface DocumentRepository extends JpaRepository<Document, UUID>, JpaSp
 
     List<Document> findByFileHashIsNullAndFilePathIsNotNull();
 
+    List<Document> findByFilePathIsNotNullAndThumbnailKeyIsNull();
+
     @Query("SELECT d.id, d.title FROM Document d WHERE d.id IN :ids")
     List<Object[]> findIdAndTitleByIdIn(@Param("ids") Collection<UUID> ids);