--- a/src/airport_gui.cpp	Wed Jun 13 11:45:14 2007 +0000
+++ b/src/airport_gui.cpp	Wed Jun 13 12:05:56 2007 +0000
@@ -34,12 +34,12 @@
 
 static void PlaceAirport(TileIndex tile)
 {
-	DoCommandP(tile, _selected_airport_type, 0, CcBuildAirport, CMD_BUILD_AIRPORT | CMD_AUTO | CMD_NO_WATER | CMD_MSG(STR_A001_CAN_T_BUILD_AIRPORT_HERE));
+	DoCommandP(tile, _selected_airport_type, _ctrl_pressed, CcBuildAirport, CMD_BUILD_AIRPORT | CMD_AUTO | CMD_NO_WATER | CMD_MSG(STR_A001_CAN_T_BUILD_AIRPORT_HERE));
 }
 
 static void PlaceAir_DemolishArea(TileIndex tile)
 {
-	VpStartPlaceSizing(tile, VPM_X_AND_Y, GUI_PlaceProc_None);
+	VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_DEMOLISH_AREA);
 }
 
 
@@ -95,7 +95,7 @@
 		break;
 
 	case WE_PLACE_MOUSEUP:
-		if (e->we.place.pt.x != -1) {
+		if (e->we.place.pt.x != -1 && e->we.place.select_proc == DDSP_DEMOLISH_AREA) {
 			DoCommandP(e->we.place.tile, e->we.place.starttile, 0, CcPlaySound10, CMD_CLEAR_AREA | CMD_MSG(STR_00B5_CAN_T_CLEAR_THIS_AREA));
 		}
 		break;