diff --git a/headmic.py b/headmic.py
index a5f1c48..e433d4c 100644
--- a/headmic.py
+++ b/headmic.py
@@ -454,7 +454,7 @@ app = FastAPI(title="HeadMic", description="Vixy's Ears 🦊👂 (Dual XVF3800)"
 
 @app.on_event("startup")
 async def startup():
-    global sound_classifier, sound_ring_buffer, speaker_recognizer, dual_stream, LEDS_AVAILABLE
+    global sound_classifier, sound_ring_buffer, speaker_recognizer, dual_stream, LEDS_AVAILABLE, spatial_tracker
 
     state.running = True