diff --git a/src/nightly.rs b/src/nightly.rs
index fbe258e..5fdb37f 100644
--- a/src/nightly.rs
+++ b/src/nightly.rs
@@ -10,6 +10,7 @@ use core::ops;
 use core::num::Wrapping;
 use core::sync::atomic::{AtomicU8, AtomicU16, AtomicU32, AtomicU64, Ordering};
 
+#[path = "fallback.rs"]
 mod fallback;
 
 #[inline]
diff --git a/src/stable.rs b/src/stable.rs
index e03605d..73bdbe9 100644
--- a/src/stable.rs
+++ b/src/stable.rs
@@ -10,6 +10,7 @@ use core::ops;
 use core::num::Wrapping;
 use core::sync::atomic::{Ordering, AtomicUsize};
 
+#[path = "fallback.rs"]
 mod fallback;
 
 #[inline]