diff --git a/mediapipe/util/tracking/box_tracker.cc b/mediapipe/util/tracking/box_tracker.cc
index 2111eac4b..7c5cd2b94 100644
--- a/mediapipe/util/tracking/box_tracker.cc
+++ b/mediapipe/util/tracking/box_tracker.cc
@@ -667,7 +667,7 @@ bool BoxTracker::WaitForChunkFile(int id, int checkpoint,
       }
     }
 
-    usleep(wait_time_msec * 1000);
+    absl::SleepFor(absl::Milliseconds(wait_time_msec));
     total_wait_msec += wait_time_msec;
 
     struct stat tmp;