diff --git a/src/getting-started/01.00.BUILD.md b/src/getting-started/01.00.BUILD.md
index 44fda3c..14d346d 100644
--- a/src/getting-started/01.00.BUILD.md
+++ b/src/getting-started/01.00.BUILD.md
@@ -149,6 +149,8 @@ Note, you would also need to disable [name mangling][nm]:
 #![no_std]
 #![no_main]
 
+extern crate panic_halt;
+
 #[no_mangle]
 pub extern "C" fn _start() -> ! {
     loop {}