diff --git a/examples/hello_magic.rs b/examples/hello_magic.rs
index 75eb6bc..8aa3c55 100644
--- a/examples/hello_magic.rs
+++ b/examples/hello_magic.rs
@@ -16,3 +16,8 @@ fn main(_argc: isize, _argv: *const *const u8) -> isize {
     loop {}
   }
 }
+
+#[no_mangle]
+static __IRQ_HANDLER: extern "C" fn() = irq_handler;
+
+extern "C" fn irq_handler() {}