diff --git a/src/movement.rs b/src/movement.rs
index a70dece..4684d78 100644
--- a/src/movement.rs
+++ b/src/movement.rs
@@ -34,7 +34,6 @@ impl Plugin for MovementPlugin {
 
 fn update_position(mut query: Query<(&Velocity, &mut Transform)>, time: Res<Time>) {
     for (velocity, mut transform) in query.iter_mut() {
-        // TODO: convert vec2 to vec3 with a zero Z value?
-        transform.translation += velocity.0 * time.delta_seconds();
+        transform.translation += (velocity.0 * time.delta_seconds()).extend(0.);
     }
 }