diff --git a/src/send_sync_non_null.rs b/src/send_sync_non_null.rs
index 57a4ea68e..64c1c3eee 100644
--- a/src/send_sync_non_null.rs
+++ b/src/send_sync_non_null.rs
@@ -1,3 +1,4 @@
+use std::fmt;
 use std::ptr::NonNull;
 
 /// A [`NonNull`] that is [`Send`]` + `[`Sync`].
@@ -17,7 +18,6 @@ use std::ptr::NonNull;
 ///
 /// though these are `unsafe` due to the raw pointers
 /// and potential [`Self::cast`] called in between.
-#[derive(Debug)]
 #[repr(transparent)]
 pub struct SendSyncNonNull<T: ?Sized>(NonNull<T>);
 
@@ -90,3 +90,10 @@ impl<T: ?Sized + Send + Sync> SendSyncNonNull<T> {
         unsafe { Box::from_raw(ptr) }
     }
 }
+
+impl<T: ?Sized> fmt::Debug for SendSyncNonNull<T> {
+    #[inline]
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        fmt::Debug::fmt(&self.0, f)
+    }
+}