diff --git a/src/table/settings/game_settings.ini b/src/table/settings/game_settings.ini
--- a/src/table/settings/game_settings.ini
+++ b/src/table/settings/game_settings.ini
@@ -9,7 +9,7 @@
 ; Game settings are everything related to vehicles, stations, orders, etc.
 
 [pre-amble]
-static std::initializer_list<const char*> _roadsides{"left", "right"};
+static constexpr std::initializer_list<const char*> _roadsides{"left", "right"};
 
 static void StationSpreadChanged(int32 new_value);
 static void UpdateConsists(int32 new_value);