diff --git a/src/ros_joint_state.cpp b/src/ros_joint_state.cpp
index 8a019d0af75cf3ae2d024efaa519dae6acfb6dc4..acc482ff3da7d6abfa62b93e59dd4e216ca9ea69 100644
--- a/src/ros_joint_state.cpp
+++ b/src/ros_joint_state.cpp
@@ -24,7 +24,7 @@ namespace dynamicgraph
     : Entity (n),
       nh_ (rosInit ()),
       state_ (0, MAKE_SIGNAL_STRING(name, true, "Vector", "state")),
-      publisher_ (nh_, "jointState", 5),
+      publisher_ (nh_, "joint_states", 5),
       jointState_ (),
       trigger_ (boost::bind (&RosJointState::trigger, this, _1, _2),
 		sotNOSIGNAL,