diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/paint/models/PageOperationModel.java b/app/src/main/java/org/ntlab/acanthus_client/views/paint/models/PageOperationModel.java
index e7e06b9..d99f279 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/paint/models/PageOperationModel.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/paint/models/PageOperationModel.java
@@ -55,6 +55,7 @@
     //-----------------------------------------------------------------
     // 編集中のページ番号を１に戻す
     public void resetEditingPageNo(MutableLiveData<Integer> mCurPageNo) {
+        acanthus.setEditingPageNo(1);
         mCurPageNo.setValue(1);
     }