diff --git a/src/interrupt.rs b/src/interrupt.rs
index 83d358b..34a2697 100644
--- a/src/interrupt.rs
+++ b/src/interrupt.rs
@@ -21,7 +21,7 @@ pub fn without_interrupts<F, T>(f: F) -> T
 impl DisableInterrupts {
     #[inline]
     pub fn new() -> DisableInterrupts {
-        unsafe { asm!("CLI") }
+        unsafe { llvm_asm!("CLI") }
         DisableInterrupts(PhantomData)
     }
 }
@@ -29,7 +29,7 @@ impl DisableInterrupts {
 impl Drop for DisableInterrupts {
     #[inline]
     fn drop(&mut self) {
-        unsafe { asm!("SEI") }
+        unsafe { llvm_asm!("SEI") }
     }
 }
 
diff --git a/src/lib.rs b/src/lib.rs
index 92079e1..4702f30 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,6 +1,6 @@
 //! Definitions of register addresses and bits within those registers
 
-#![feature(asm)]
+#![feature(llvm_asm)]
 #![feature(const_fn)]
 #![feature(associated_type_defaults)]
 #![feature(lang_items)]