diff --git a/src/station_cmd.cpp b/src/station_cmd.cpp
index 67e1b394cb..869ddd8ea6 100644
--- a/src/station_cmd.cpp
+++ b/src/station_cmd.cpp
@@ -2783,6 +2783,8 @@ CommandCost CmdBuildAirport(TileIndex tile, DoCommandFlag flags, uint32 p1, uint
 		if (action == AIRPORT_UPGRADE) {
 			/* delete old airport if upgrading */
 
+			ZoningMarkDirtyStationCoverageArea(st);
+
 			for (uint i = 0; i < st->airport.GetNumHangars(); ++i) {
 				DeleteWindowById(
 					WC_VEHICLE_DEPOT, st->airport.GetHangarTile(i)