diff --git a/lua/treesitter-context/context.lua b/lua/treesitter-context/context.lua
index 1b370180..69afddb0 100644
--- a/lua/treesitter-context/context.lua
+++ b/lua/treesitter-context/context.lua
@@ -319,6 +319,11 @@ end
 --- @return Range4[]?, string[]?
 function M.get(winid)
   winid = winid or api.nvim_get_current_win()
+
+  if not api.nvim_win_is_valid(winid) then
+    return
+  end
+
   local bufnr = api.nvim_win_get_buf(winid)
 
   -- vim.treesitter.get_parser() calls bufload(), but we don't actually want to load the buffer: