diff --git a/src/geometric_simu.cpp b/src/geometric_simu.cpp
index 32b6cbf1a00b3580def5b3c6a51cee9a42fc5130..11f9ad2863e86093a6175d04091393fb22e11713 100644
--- a/src/geometric_simu.cpp
+++ b/src/geometric_simu.cpp
@@ -19,11 +19,18 @@
 #include <boost/thread/thread.hpp>
 #include <boost/thread/condition.hpp>
 
+#include <iostream>
+
+#define ENABLE_RT_LOG
+#include <dynamic-graph/real-time-logger.h>
+
 #include <dynamic_graph_bridge/sot_loader.hh>
 
 
 int main(int argc, char *argv[])
 {
+  dgADD_OSTREAM_TO_RTLOG (std::cerr);
+
   ros::init(argc, argv, "sot_ros_encapsulator");
   SotLoader aSotLoader;
   if (aSotLoader.parseOptions(argc,argv)<0)