diff --git a/lua/avante/sidebar.lua b/lua/avante/sidebar.lua
index 00d3ec8..53d2738 100644
--- a/lua/avante/sidebar.lua
+++ b/lua/avante/sidebar.lua
@@ -977,7 +977,7 @@ local base_win_options = {
     .. ",Normal:"
     .. Highlights.AVANTE_SIDEBAR_NORMAL,
   winbar = "",
-  statusline = "",
+  statusline = " ",
 }
 
 function Sidebar:render_header(winid, bufnr, header_text, hl, reverse_hl)