diff --git a/src/actor.rs b/src/actor.rs
index a757cca..da16791 100644
--- a/src/actor.rs
+++ b/src/actor.rs
@@ -857,7 +857,7 @@ fn handle_wants_acceleration(
                         delta_v =
                             (trans.rotation.inverse() * stop_direction.normalize()).as_dvec3();
                         engine.currently_matching_velocity = true;
-                        thruster_on = true;
+                        thruster_on = true; // is this redundant?
                     }
                 }
             }
@@ -876,6 +876,7 @@ fn handle_wants_acceleration(
             if delta_v.length_squared() > 0.003 {
                 // Engine is firing!
                 thruster_on = true;
+                engine.currently_firing = true;
                 engine.current_warmup =
                     (engine.current_warmup + dt / engine.warmup_seconds).clamp(0.0, 1.0);
 
@@ -932,6 +933,7 @@ fn handle_wants_acceleration(
                 // Engine is not firing
                 engine.current_warmup =
                     (engine.current_warmup - dt / engine.warmup_seconds).clamp(0.0, 1.0);
+                engine.currently_firing = false;
             }
 
             if is_player.is_some() {