diff --git a/backend/src/main/java/org/raddatz/familienarchiv/document/DocumentService.java b/backend/src/main/java/org/raddatz/familienarchiv/document/DocumentService.java
index 43d206b7..fef6e618 100644
--- a/backend/src/main/java/org/raddatz/familienarchiv/document/DocumentService.java
+++ b/backend/src/main/java/org/raddatz/familienarchiv/document/DocumentService.java
@@ -802,7 +802,7 @@ public class DocumentService {
         return transcriptionBlockQueryService.getCompletionStats(docIds);
     }
 
-    Sort resolveSort(DocumentSort sort, String dir) {
+    private Sort resolveSort(DocumentSort sort, String dir) {
         Sort.Direction direction = "ASC".equalsIgnoreCase(dir) ? Sort.Direction.ASC : Sort.Direction.DESC;
         if (sort == null || sort == DocumentSort.DATE || sort == DocumentSort.RELEVANCE) {
             // Undated documents (null documentDate) must order last regardless of