diff --git a/frontend/apps/reader/modules/readerannotation.lua b/frontend/apps/reader/modules/readerannotation.lua
index b497b41b4..ae940f58e 100644
--- a/frontend/apps/reader/modules/readerannotation.lua
+++ b/frontend/apps/reader/modules/readerannotation.lua
@@ -282,7 +282,7 @@ function ReaderAnnotation:importAnnotations()
     if anno:readSetting("device_id") == G_reader_settings:readSetting("device_id") then return end -- same device
     local new_annotations = anno:readSetting("annotations")
     if (self.ui.paging and true) ~= anno:readSetting("paging") then return end -- incompatible annotations type
-    local new_datetime = anno:readSetting("datetime")
+    local new_datetime = G_reader_settings:isTrue("annotations_export_keep_all_on_import") and "" or anno:readSetting("datetime")
     os.remove(file)
     if #self.annotations == 0 then
         self.annotations = new_annotations
diff --git a/frontend/apps/reader/modules/readerbookmark.lua b/frontend/apps/reader/modules/readerbookmark.lua
index b74e5b9da..f05a6d176 100644
--- a/frontend/apps/reader/modules/readerbookmark.lua
+++ b/frontend/apps/reader/modules/readerbookmark.lua
@@ -252,6 +252,15 @@ function ReaderBookmark:addToMainMenu(menu_items)
                     G_reader_settings:flipNilOrFalse("annotations_export_on_closing")
                 end,
             },
+            {
+                text = _("Keep all annotations on import"),
+                checked_func = function()
+                    return G_reader_settings:isTrue("annotations_export_keep_all_on_import")
+                end,
+                callback = function()
+                    G_reader_settings:flipNilOrFalse("annotations_export_keep_all_on_import")
+                end,
+            },
             {
                 text_func = function()
                     return T(_("Export / import folder: %1"),