diff --git a/frontend/apps/reader/modules/readermenu.lua b/frontend/apps/reader/modules/readermenu.lua
index 0883078a4..1fea0bcd7 100644
--- a/frontend/apps/reader/modules/readermenu.lua
+++ b/frontend/apps/reader/modules/readermenu.lua
@@ -440,7 +440,7 @@ function ReaderMenu:genMenu(tab_index)
 end
 
 function ReaderMenu:onShowMenu(tab_index, main_menu)
-    if main_menu == nil then
+    if main_menu == nil or main_menu.page_info == nil then -- be sure it's TouchMenu or Menu
         main_menu = self:genMenu(tab_index)
     end
     local menu_container = CenterContainer:new{