diff --git a/lua/bufferline/groups.lua b/lua/bufferline/groups.lua
index b818df7b..a0159cce 100644
--- a/lua/bufferline/groups.lua
+++ b/lua/bufferline/groups.lua
@@ -254,7 +254,9 @@ local function restore_pinned_buffers()
   if not pinned then return end
   local manual_groupings = vim.split(pinned, ",") or {}
   for _, path in ipairs(manual_groupings) do
-    local buf_id = fn.bufnr(path --[[@as integer]])
+    local buf_id = fn.bufnr(
+      path --[[@as integer]]
+    )
     if buf_id ~= -1 then
       set_manual_group(buf_id, PINNED_ID)
       persist_pinned_buffers()