diff --git a/crates/std_detect/src/detect/macros.rs b/crates/std_detect/src/detect/macros.rs
index 213e63ec55..a467f9db60 100644
--- a/crates/std_detect/src/detect/macros.rs
+++ b/crates/std_detect/src/detect/macros.rs
@@ -1,4 +1,5 @@
 #[macro_export]
+#[allow_internal_unstable(stdsimd)]
 macro_rules! detect_feature {
     ($feature:tt, $feature_lit:tt) => {
         $crate::detect_feature!($feature, $feature_lit : $feature_lit)