diff --git a/runtime/lua/vim/treesitter/highlighter.lua b/runtime/lua/vim/treesitter/highlighter.lua
index 9969cb9dce..5e57124d63 100644
--- a/runtime/lua/vim/treesitter/highlighter.lua
+++ b/runtime/lua/vim/treesitter/highlighter.lua
@@ -380,6 +380,7 @@ local function on_line_impl(self, buf, line, on_spell, on_conceal)
           api.nvim_buf_set_extmark(buf, ns, start_row, 0, {
             end_line = end_row,
             conceal_lines = '',
+            invalidate = true,
           })
         end
       end