diff --git a/frontend/apps/reader/modules/readerbookmark.lua b/frontend/apps/reader/modules/readerbookmark.lua
index a6246bbb8..bd531a721 100644
--- a/frontend/apps/reader/modules/readerbookmark.lua
+++ b/frontend/apps/reader/modules/readerbookmark.lua
@@ -642,7 +642,7 @@ function ReaderBookmark:onShowBookmark()
         end
     end
     local curr_page_datetime
-    if self.sorting_mode == "date" then
+    if self.sorting_mode == "date" and #item_table > 0 then
         local idx = math.max(1, math.min(curr_page_index_filtered, #item_table))
         curr_page_datetime = item_table[idx].datetime
         local sort_func = self.is_reverse_sorting and function(a, b) return a.datetime > b.datetime end