diff --git a/src/gui/dialogs/game_version.hpp b/src/gui/dialogs/game_version.hpp
index caccb3171b09..6e4c1eac834b 100644
--- a/src/gui/dialogs/game_version.hpp
+++ b/src/gui/dialogs/game_version.hpp
@@ -26,7 +26,11 @@
 namespace gui2
 {
 
+#ifdef GUI2_EXPERIMENTAL_LISTBOX
+class tlist;
+#else
 class tlistbox;
+#endif
 class tstacked_widget;
 
 class tgame_version : public tdialog