diff --git a/Fltk/onelabGroup.cpp b/Fltk/onelabGroup.cpp
index 88e8d595a10d989eff49c802186ea289efc3e32f..069df9642fa865e0d5ad1d2c9271c3a13584c4c1 100644
--- a/Fltk/onelabGroup.cpp
+++ b/Fltk/onelabGroup.cpp
@@ -762,7 +762,7 @@ void onelab_cb(Fl_Widget *w, void *data)
 
   if(action == "refresh"){
     updateGraphs();
-    FlGui::instance()->rebuildTree(true);
+    FlGui::instance()->rebuildTree(false); // for Amandine
     return;
   }