diff --git a/app/assets/stylesheets/admin/treeview.sass b/app/assets/stylesheets/admin/treeview.sass
index 606c1658c4e9fd17773a851370cc20707ef86cd3..050204eac291492cb0f761ffd9f287244de85ab3 100644
--- a/app/assets/stylesheets/admin/treeview.sass
+++ b/app/assets/stylesheets/admin/treeview.sass
@@ -2,8 +2,8 @@
     &__branch, &__leaf
         & > .treeview__label
             & > .move_btn
-                transition: opacity 0.1s
                 opacity: 0
+                transition: opacity 0.1s
         &:hover
             & > .treeview__label
                 & > .move_btn