diff --git a/joint_state_publisher/joint_state_publisher/joint_state_publisher b/joint_state_publisher/joint_state_publisher/joint_state_publisher
index 3f575b7..7e42518 100755
--- a/joint_state_publisher/joint_state_publisher/joint_state_publisher
+++ b/joint_state_publisher/joint_state_publisher/joint_state_publisher
@@ -54,6 +54,7 @@ class JointStatePublisher():
                         minval = float(limit.getAttribute('lower'))
                         maxval = float(limit.getAttribute('upper'))
                     except:
+                        rospy.logwarn("%s is not fixed, nor continuous, but limits are not specified!" % name)
                         continue
 
                 safety_tags = child.getElementsByTagName('safety_controller')