diff --git a/hrpsys_ros_bridge_tutorials/src/hrpsys_ros_bridge_tutorials/chidori_hrpsys_config.py b/hrpsys_ros_bridge_tutorials/src/hrpsys_ros_bridge_tutorials/chidori_hrpsys_config.py
index 6d8d908e..e8c7b636 100755
--- a/hrpsys_ros_bridge_tutorials/src/hrpsys_ros_bridge_tutorials/chidori_hrpsys_config.py
+++ b/hrpsys_ros_bridge_tutorials/src/hrpsys_ros_bridge_tutorials/chidori_hrpsys_config.py
@@ -7,6 +7,6 @@
     if len(sys.argv) > 2 :
         hcf.init(sys.argv[1], sys.argv[2])
     elif len(sys.argv) > 1 :
-        hcf.init(sys.argv[1], sys.argv[2])
+        hcf.init(sys.argv[1])
     else :
         hcf.init()