diff --git a/src/landscape.cpp b/src/landscape.cpp
--- a/src/landscape.cpp
+++ b/src/landscape.cpp
@@ -755,7 +755,7 @@ CommandCost CmdClearArea(TileIndex tile,
 	TileIterator *iter = HasBit(p2, 0) ? (TileIterator *)new DiagonalTileIterator(tile, p1) : new OrthogonalTileIterator(tile, p1);
 	for (; *iter != INVALID_TILE; ++(*iter)) {
 		TileIndex t = *iter;
-		CommandCost ret = DoCommand(t, 0, 0, flags & ~DC_EXEC, CMD_LANDSCAPE_CLEAR);
+		CommandCost ret = DoCommand(flags & ~DC_EXEC, CMD_LANDSCAPE_CLEAR, t, 0, 0);
 		if (ret.Failed()) {
 			last_error = ret;
 
@@ -772,7 +772,7 @@ CommandCost CmdClearArea(TileIndex tile,
 				delete iter;
 				return cost;
 			}
-			DoCommand(t, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
+			DoCommand(flags, CMD_LANDSCAPE_CLEAR, t, 0, 0);
 
 			/* draw explosion animation...
 			 * Disable explosions when game is paused. Looks silly and blocks the view. */