diff --git a/src/examples/test_dynamixel_motor_group.cpp b/src/examples/test_dynamixel_motor_group.cpp
index 265b77b22b23b76344e6e9962365e1bee0e72079..35ef0f8a14f0a2156587e2b44949ee805bf2971d 100644
--- a/src/examples/test_dynamixel_motor_group.cpp
+++ b/src/examples/test_dynamixel_motor_group.cpp
@@ -43,6 +43,7 @@ int main(int argc, char *argv[])
       name=group->add_motor_control(cont1);
       group->config_motor_control(name,config_file);
       name=group->add_motor_control(cont2);
+      group->config_motor_control(name,config_file);
 
       group->get_position(pos);
       group->enable(enable);