diff --git a/src/GUI/new_gui.cxx b/src/GUI/new_gui.cxx
index 9c8297a5b..77631aea3 100644
--- a/src/GUI/new_gui.cxx
+++ b/src/GUI/new_gui.cxx
@@ -53,6 +53,7 @@ void
 NewGUI::reinit ()
 {
     reset(true);
+    fgSetBool("/sim/signals/reinit-gui", 1);
 }
 
 void