diff --git a/Fltk/onelabGroup.cpp b/Fltk/onelabGroup.cpp
index 75e3a408134305e665cd27eee6d4300948310798..74f1432b4dffcc900763aab1fc302a28b6e6807f 100644
--- a/Fltk/onelabGroup.cpp
+++ b/Fltk/onelabGroup.cpp
@@ -1691,6 +1691,9 @@ Fl_Widget *onelabGroup::_addParameterWidget(onelab::function &p, int ww, int hh,
 
 void onelabGroup::rebuildTree(bool deleteWidgets)
 {
+  // FIXME: testing this for Amandine
+  deleteWidgets = false;
+
   FL_NORMAL_SIZE -= CTX::instance()->deltaFontSize;
 
   _computeWidths();