diff --git a/src/main.rs b/src/main.rs
index 7dd7b42..c8507db 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -26,9 +26,9 @@ struct BoidBundle {
 }
 
 fn move_boids(mut boids: Query<(&mut Transform, &Velocity), With<Boid>>, time: Res<Time>) {
-    boids.iter_mut().for_each(|(mut transform, velocity)| {
+    for (mut transform, velocity) in &mut boids {
         transform.translation += velocity.0 * time.delta_seconds();
-    });
+    }
 }
 
 fn setup(