diff --git a/Fltk/onelabGroup.cpp b/Fltk/onelabGroup.cpp
index 49227e3fd528605af07bf575c99d2232c7456e94..36483de0ac4035e43aaa31430c42f3ecabb930fe 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); // FIXME: true would be better
     return;
   }