diff --git a/BUILD.gn b/BUILD.gn
index 5ffc39d65bd5b23810b23e6275e9a833b7cc0ac5..739bab233cda41c2f26bd9f1bf11d77f136ad9df 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -18,7 +18,10 @@ if (defined(ohos_lite)) {
     import("//build/config/clang/clang.gni")
 }
 
-kernel_version = "linux-4.19"
+declare_args() {
+    kernel_version = "linux-4.19"
+}
+
 if (defined(ohos_lite)) {
     build_ext_component("linux_kernel") {
     exec_path = rebase_path(".", root_build_dir)