diff --git a/livox_ros_driver/timesync/timesync.cpp b/livox_ros_driver/timesync/timesync.cpp
index b1f1d5f..af6da36 100644
--- a/livox_ros_driver/timesync/timesync.cpp
+++ b/livox_ros_driver/timesync/timesync.cpp
@@ -27,6 +27,7 @@
 #include <stdint.h>
 #include <string.h>
 #include <chrono>
+#include <cstdio>
 #include <functional>
 #include <thread>