diff --git a/hurricane/src/isobar/PyHurricane.cpp b/hurricane/src/isobar/PyHurricane.cpp
index bebda556..30e2a069 100644
--- a/hurricane/src/isobar/PyHurricane.cpp
+++ b/hurricane/src/isobar/PyHurricane.cpp
@@ -674,6 +674,8 @@ extern "C" {
     NetLoadConstants            ( dictionnary );
     InstanceLoadConstants       ( dictionnary );
     PinLoadConstants            ( dictionnary );
+
+    trace << "Hurricane.so loaded " << (void*)&typeid(string) << endl;
   }
 
   
diff --git a/hurricane/src/viewer/PyViewer.cpp b/hurricane/src/viewer/PyViewer.cpp
index 3989c21f..c6767a50 100644
--- a/hurricane/src/viewer/PyViewer.cpp
+++ b/hurricane/src/viewer/PyViewer.cpp
@@ -90,6 +90,8 @@ extern "C" {
     PyObject* dictionnary = PyModule_GetDict ( module );
 
   //DbULoadConstants ( dictionnary );
+
+    trace << "Viewer.so loaded " << (void*)&typeid(string) << endl;
   }