diff -r 90837c1c4a84 -r a74251b49d1d src/settings_gui.cpp
--- a/src/settings_gui.cpp	Thu Feb 07 10:01:18 2008 +0000
+++ b/src/settings_gui.cpp	Thu Feb 07 16:17:00 2008 +0000
@@ -24,6 +24,7 @@
 #include "core/alloc_func.hpp"
 #include "string_func.h"
 #include "gfx_func.h"
+#include "waypoint.h"
 #include "widgets/dropdown_type.h"
 #include "widgets/dropdown_func.h"
 
@@ -301,6 +302,7 @@
 					ReadLanguagePack(e->we.dropdown.index);
 					CheckForMissingGlyphsInLoadedLanguagePack();
 					UpdateAllStationVirtCoord();
+					UpdateAllWaypointSigns();
 					MarkWholeScreenDirty();
 					break;