diff --git a/crates/bevy_ecs/src/system/system_param.rs b/crates/bevy_ecs/src/system/system_param.rs
index 7a16c48519..ff9420cd52 100644
--- a/crates/bevy_ecs/src/system/system_param.rs
+++ b/crates/bevy_ecs/src/system/system_param.rs
@@ -1470,7 +1470,7 @@ unsafe impl<T: SystemBuffer> SystemParam for Deferred<'_, T> {
 }
 
 /// A dummy type that is [`!Send`](Send), to force systems to run on the main thread.
-pub struct NonSendMarker;
+pub struct NonSendMarker(PhantomData<*mut ()>);
 
 // SAFETY: No world access.
 unsafe impl SystemParam for NonSendMarker {
@@ -1489,7 +1489,7 @@ unsafe impl SystemParam for NonSendMarker {
         _world: UnsafeWorldCell<'world>,
         _change_tick: Tick,
     ) -> Self::Item<'world, 'state> {
-        Self
+        Self(PhantomData)
     }
 }