diff --git a/frigate/ptz/autotrack.py b/frigate/ptz/autotrack.py
index f9fb70d4f..f38bf1f5f 100644
--- a/frigate/ptz/autotrack.py
+++ b/frigate/ptz/autotrack.py
@@ -1109,6 +1109,7 @@ class PtzAutoTracker:
         camera_height = camera_config.frame_shape[0]
         camera_fps = camera_config.detect.fps
         predicted_movement_time = 0
+        zoom_distance = 0
 
         average_velocity = np.zeros((4,))
         predicted_box = obj.obj_data["box"]