diff --git a/joint_trajectory_controller/src/joint_trajectory_controller.cpp b/joint_trajectory_controller/src/joint_trajectory_controller.cpp
index 979dc4c3f8..9320c8e59d 100644
--- a/joint_trajectory_controller/src/joint_trajectory_controller.cpp
+++ b/joint_trajectory_controller/src/joint_trajectory_controller.cpp
@@ -1537,7 +1537,7 @@ void JointTrajectoryController::update_pids()
   for (size_t i = 0; i < dof_; ++i)
   {
     const auto & gains = params_.gains.joints_map.at(params_.joints[i]);
-    if (pids_.at(i))
+    if (pids_[i])
     {
       // update PIDs with gains from ROS parameters
       pids_[i]->setGains(gains.p, gains.i, gains.d, gains.i_clamp, -gains.i_clamp);