diff --git a/roboglue_ros_ws.workspace.user b/roboglue_ros_ws.workspace.user
index 17d8091..fe506f5 100644
--- a/roboglue_ros_ws.workspace.user
+++ b/roboglue_ros_ws.workspace.user
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 4.9.2, 2019-11-15T16:41:03. -->
+<!-- Written by QtCreator 4.9.2, 2019-11-15T17:00:10. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>
@@ -124,7 +124,7 @@
      <value type="QString">ROS_PACKAGE_PATH=/home/emanuele/Documents/GestioneMacchine/Robot_Incollaggio/Software/roboglue_ros_ws/src:/opt/ros/kinetic/share</value>
      <value type="QString">ROS_ROOT=/opt/ros/kinetic/share/ros</value>
      <value type="QString">ROS_VERSION=1</value>
-     <value type="QString">SHLVL=928</value>
+     <value type="QString">SHLVL=940</value>
      <value type="QString">TERM=xterm</value>
      <value type="QString">_=/usr/bin/env</value>
     </valuelist>
diff --git a/src/roboglue_ros/src/roboglue_recorder.cpp b/src/roboglue_ros/src/roboglue_recorder.cpp
index ad62e70..4ba76e7 100644
--- a/src/roboglue_ros/src/roboglue_recorder.cpp
+++ b/src/roboglue_ros/src/roboglue_recorder.cpp
@@ -697,7 +697,7 @@ bool stopPlay(internalState* is, fileData* fd){
 }
 
 void plotPoints (rvizData* rvdata, fileData* fd){
-    if (fd->playVect != nullptr){
+    if (fd->playVect != nullptr && fd->playVect->size()>0) {
         for(auto point : *fd->playVect){
             rvdata->vtools->publishSphere(twist2Pose(point.point).pose, rvt::RED, rvt::MEDIUM);
         }