diff --git a/Fltk/onelabWindow.cpp b/Fltk/onelabWindow.cpp
index df43c356cbd1dca60eb6a50fd7aac976b3fac6c4..0e6271d0b605abf7058cfec2e5c5f174b1105d8e 100644
--- a/Fltk/onelabWindow.cpp
+++ b/Fltk/onelabWindow.cpp
@@ -1034,7 +1034,7 @@ void onelabWindow::rebuildTree()
     but->menubutton()->copy(&menu[0]);
     but->value(strings[i].getValue().c_str());
     if(strings[i].getAttribute("Highlight").size())
-      but->color(FL_YELLOW);
+      but->input()->color(FL_YELLOW);
     but->align(FL_ALIGN_RIGHT);
     but->callback(onelab_input_choice_cb, (void*)n);
     but->when(FL_WHEN_RELEASE | FL_WHEN_ENTER_KEY);