diff --git a/examples/save_pointcloud_by_o3d.py b/examples/save_pointcloud_by_o3d.py
index c9d4336..0184632 100644
--- a/examples/save_pointcloud_by_o3d.py
+++ b/examples/save_pointcloud_by_o3d.py
@@ -110,6 +110,7 @@ def main():
         print(e)
 
     pipeline.start(config)
+    pipeline.enable_frame_sync()
     saved_color_cnt: int = 0
     saved_depth_cnt: int = 0
     while True: