diff --git a/lua/dropbar/menu.lua b/lua/dropbar/menu.lua
index 118c6ed7..1adbb865 100644
--- a/lua/dropbar/menu.lua
+++ b/lua/dropbar/menu.lua
@@ -535,7 +535,7 @@ function dropbar_menu_t:update_scrollbar()
   local thumb_height = math.max(1, math.floor(win_height ^ 2 / buf_height))
   local offset = math.min(
     win_height - thumb_height,
-    math.floor(win_height * topline / buf_height)
+    math.floor((win_height * topline / buf_height) + 0.5)
   )
 
   if self.scrollbar and vim.api.nvim_win_is_valid(self.scrollbar.thumb) then