diff --git a/src/main/java/org/ntlab/citrusserver/resources/PublicBooksRest.java b/src/main/java/org/ntlab/citrusserver/resources/PublicBooksRest.java
index 0ca017f..192022f 100644
--- a/src/main/java/org/ntlab/citrusserver/resources/PublicBooksRest.java
+++ b/src/main/java/org/ntlab/citrusserver/resources/PublicBooksRest.java
@@ -51,7 +51,7 @@
                 } else if(search_account_id != null) { //アカウントIDのみでの検索
                     return publicBookManager.searchBooksByAccount(search_account_id, sort_by);
                 } else { //タイトルもアカウントIDもない場合(すべての本を返す)
-                    return publicBookManager.getAllPublicBooks();
+                    return publicBookManager.getAllPublicBooks(sort_by);
                 }
             }
         }