diff --git a/moveit_core/robot_state/src/robot_state.cpp b/moveit_core/robot_state/src/robot_state.cpp
index ff847bcb54..d24a19b371 100644
--- a/moveit_core/robot_state/src/robot_state.cpp
+++ b/moveit_core/robot_state/src/robot_state.cpp
@@ -2039,8 +2039,8 @@ bool RobotState::setFromIKSubgroups(const JointModelGroup* jmg, const EigenSTL::
   {
     if (consistency_limits[i].size() != sub_groups[i]->getVariableCount())
     {
-      RCLCPP_ERROR(getLogger(), "Number of joints in consistency_limits is %zu but it should be should be %u", i,
-                   sub_groups[i]->getVariableCount());
+      RCLCPP_ERROR(getLogger(), "Number of joints in consistency_limits[%zu] is %lu but it should be should be %u", i,
+                   consistency_limits[i].size(), sub_groups[i]->getVariableCount());
       return false;
     }
   }