diff --git a/build.sh b/build.sh
index fe08956..0600c4a 100644
--- a/build.sh
+++ b/build.sh
@@ -13,7 +13,7 @@ TARGET_DIR="${SCRIPT_DIR}/build"
 # Get the artifact download URL based on the platform and Lua version
 case "$(uname -s)" in
 Linux*)
-  PLATFORM="linux"
+  PLATFORM="ubuntu"
   ;;
 Darwin*)
   PLATFORM="macos"
diff --git a/lua/avante/utils/init.lua b/lua/avante/utils/init.lua
index 3c7a8f5..f4fd3e0 100644
--- a/lua/avante/utils/init.lua
+++ b/lua/avante/utils/init.lua
@@ -132,7 +132,7 @@ M.safe_keymap_set = function(mode, lhs, rhs, opts)
   ---@cast modes -string
 
   ---@param m string
-  modes = vim.tbl_filter(function(m) return not (Keys.have and Keys:have(lhs, m)) end, modes)
+  modes = vim.tbl_filter(function(m) return not (Keys and Keys.have and Keys:have(lhs, m)) end, modes)
 
   -- don't create keymap if a lazy keys handler exists
   if #modes > 0 then