diff --git a/sub/core/src/pod.rs b/sub/core/src/pod.rs
index 566013b..868184c 100644
--- a/sub/core/src/pod.rs
+++ b/sub/core/src/pod.rs
@@ -42,7 +42,7 @@ impl<T: Sized> Mut<T> {
 }
 
 impl<T: Pod> Mut<T> {
-    #[inline(always)] pub fn set(&self, value: T) { unsafe { core::ptr::write(self.as_ptr(), value) } }
+    #[inline(always)] pub unsafe fn set(&self, value: T) { unsafe { core::ptr::write(self.as_ptr(), value) } }
     #[inline(always)] pub fn get(&self) -> T { unsafe { core::ptr::read(self.as_ptr()) } }
 }
 impl<T> Mut<MaybeUninit<T>> {