diff --git a/bin/chainboot/build.rs b/bin/chainboot/build.rs
index 33a3d71..4a496d4 100644
--- a/bin/chainboot/build.rs
+++ b/bin/chainboot/build.rs
@@ -1,6 +1,10 @@
+/// This build script is used to link chainboot binary.
+
 const LINKER_SCRIPT: &str = "bin/chainboot/src/link.ld";
+const LINKER_SCRIPT_AUX: &str = "machine/src/arch/aarch64/linker/aarch64-exceptions.ld";
 
 fn main() {
     println!("cargo:rerun-if-changed={}", LINKER_SCRIPT);
+    println!("cargo:rerun-if-changed={}", LINKER_SCRIPT_AUX);
     println!("cargo:rustc-link-arg=--script={}", LINKER_SCRIPT);
 }