diff --git a/yolox/tracker/byte_tracker.py b/yolox/tracker/byte_tracker.py
index 2d004599..f47a3387 100644
--- a/yolox/tracker/byte_tracker.py
+++ b/yolox/tracker/byte_tracker.py
@@ -158,7 +158,7 @@ def __init__(self, args, frame_rate=30):
 
     def update(self, output_results, img_info, img_size):
         self.frame_id += 1
-        activated_starcks = []
+        activated_stracks = []
         refind_stracks = []
         lost_stracks = []
         removed_stracks = []
@@ -214,7 +214,7 @@ def update(self, output_results, img_info, img_size):
             det = detections[idet]
             if track.state == TrackState.Tracked:
                 track.update(detections[idet], self.frame_id)
-                activated_starcks.append(track)
+                activated_stracks.append(track)
             else:
                 track.re_activate(det, self.frame_id, new_id=False)
                 refind_stracks.append(track)
@@ -235,7 +235,7 @@ def update(self, output_results, img_info, img_size):
             det = detections_second[idet]
             if track.state == TrackState.Tracked:
                 track.update(det, self.frame_id)
-                activated_starcks.append(track)
+                activated_stracks.append(track)
             else:
                 track.re_activate(det, self.frame_id, new_id=False)
                 refind_stracks.append(track)
@@ -254,7 +254,7 @@ def update(self, output_results, img_info, img_size):
         matches, u_unconfirmed, u_detection = matching.linear_assignment(dists, thresh=0.7)
         for itracked, idet in matches:
             unconfirmed[itracked].update(detections[idet], self.frame_id)
-            activated_starcks.append(unconfirmed[itracked])
+            activated_stracks.append(unconfirmed[itracked])
         for it in u_unconfirmed:
             track = unconfirmed[it]
             track.mark_removed()
@@ -266,7 +266,7 @@ def update(self, output_results, img_info, img_size):
             if track.score < self.det_thresh:
                 continue
             track.activate(self.kalman_filter, self.frame_id)
-            activated_starcks.append(track)
+            activated_stracks.append(track)
         """ Step 5: Update state"""
         for track in self.lost_stracks:
             if self.frame_id - track.end_frame > self.max_time_lost:
@@ -276,7 +276,7 @@ def update(self, output_results, img_info, img_size):
         # print('Ramained match {} s'.format(t4-t3))
 
         self.tracked_stracks = [t for t in self.tracked_stracks if t.state == TrackState.Tracked]
-        self.tracked_stracks = joint_stracks(self.tracked_stracks, activated_starcks)
+        self.tracked_stracks = joint_stracks(self.tracked_stracks, activated_stracks)
         self.tracked_stracks = joint_stracks(self.tracked_stracks, refind_stracks)
         self.lost_stracks = sub_stracks(self.lost_stracks, self.tracked_stracks)
         self.lost_stracks.extend(lost_stracks)