diff --git a/src/start.rs b/src/start.rs
index faac4b4..d7b3663 100644
--- a/src/start.rs
+++ b/src/start.rs
@@ -15,6 +15,8 @@ use memory;
 use paging::{self, entry, Page, VirtualAddress};
 use paging::mapper::MapperFlushAll;
 
+use stop;
+
 /// Test of zero values in BSS.
 static BSS_TEST_ZERO: usize = 0;
 /// Test of non-zero values in data.
diff --git a/src/stop.rs b/src/stop.rs
index bf01fde..27c13d3 100644
--- a/src/stop.rs
+++ b/src/stop.rs
@@ -5,7 +5,7 @@ use syscall::io::{Io, Pio};
 pub unsafe extern fn kstop() -> ! {
     println!("kstop");
     acpi::set_global_s_state(5);
-    
+
     // Magic shutdown code for bochs and qemu (older versions).
     for c in "Shutdown".bytes() {
         let port = 0x8900;