1 files changed, 3 insertions, 1 deletions
diff --git a/src/asm.rs b/src/asm.rs
index a70cd93..2e3368a 100644
--- a/src/asm.rs
+++ b/src/asm.rs
@@ -52,5 +52,7 @@ pub unsafe fn wfi() {
 
 /// A no-operation. Useful to stop delay loops being elided.
 pub fn nop() {
-    asm!("nop" :::: "volatile");
+    unsafe {
+        asm!("nop" :::: "volatile");
+    }
 }