diff --git a/Cargo.toml b/Cargo.toml
index 8ce85aaf2be05e578b26971ca839470bc934feb4..fd6339189fdbec1ac2ce312603acba61d8d76a2f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ optional = true
 
 [dependencies.cortex-m]
 version = "0.5.8"
-# features = ["inline-asm"] # <- currently requires nightly compiler
+features = ["inline-asm"] # <- currently requires nightly compiler
 
 # Uncomment for the allocator example.
 # alloc-cortex-m = "0.3.5"