diff --git a/src/ypspur_ros.cpp b/src/ypspur_ros.cpp
index bba6fac..b70b1a3 100644
--- a/src/ypspur_ros.cpp
+++ b/src/ypspur_ros.cpp
@@ -98,7 +98,6 @@ class YpspurRosNode
   int key_;
   bool simulate_;
   bool wait_convergence_of_joint_trajectory_angle_vel_;
-  bool exit_on_time_jump_;
 
   double tf_time_offset_;
 
@@ -455,7 +454,8 @@ class YpspurRosNode
     }
     pnh_.param(
         "wait_convergence_of_joint_trajectory_angle_vel", wait_convergence_of_joint_trajectory_angle_vel_, true);
-    pnh_.param("exit_on_time_jump", exit_on_time_jump_, false);
+    bool exit_on_time_jump;
+    pnh_.param("exit_on_time_jump", exit_on_time_jump, false);
     pnh_.param("ypspur_bin", ypspur_bin_, std::string("ypspur-coordinator"));
     pnh_.param("param_file", param_file_, std::string(""));
     pnh_.param("tf_time_offset", tf_time_offset_, 0.0);
@@ -661,7 +661,7 @@ class YpspurRosNode
           args.push_back(std::string("--enable-get-digital-io"));
         if (simulate_)
           args.push_back(std::string("--without-device"));
-        if (exit_on_time_jump_)
+        if (exit_on_time_jump)
           args.push_back(std::string("--exit-on-time-jump"));
         if (param_file_.size() > 0)
         {