diff --git a/lua/avante/sidebar.lua b/lua/avante/sidebar.lua
index 090a71f..8dcc7bd 100644
--- a/lua/avante/sidebar.lua
+++ b/lua/avante/sidebar.lua
@@ -98,6 +98,8 @@ function Sidebar:open()
     end
     self:focus()
   end
+
+  vim.cmd("wincmd =")
   return self
 end