diff --git a/src/newgrf_airporttiles.cpp b/src/newgrf_airporttiles.cpp --- a/src/newgrf_airporttiles.cpp +++ b/src/newgrf_airporttiles.cpp @@ -278,7 +278,7 @@ bool DrawNewAirportTile(TileInfo *ti, St } /** Helper class for animation control. */ -struct AirportTileAnimationBase : public AnimationBase { +struct AirportTileAnimationBase : public AnimationBase > { static const CallbackID cb_animation_speed = CBID_AIRPTILE_ANIMATION_SPEED; static const CallbackID cb_animation_next_frame = CBID_AIRPTILE_ANIM_NEXT_FRAME;