diff --git a/bin/baseset/orig_dos.obg b/bin/baseset/orig_dos.obg
--- a/bin/baseset/orig_dos.obg
+++ b/bin/baseset/orig_dos.obg
@@ -76,7 +76,7 @@ TRGI.GRF          = da6a6c9dcc451eec88d7
 TRGC.GRF          = ed446637e034104c5559b32c18afe78d
 TRGH.GRF          = ee6616fb0e6ef6b24892c58c93d86fc9
 TRGT.GRF          = e30e8a398ae86c03dc534a8ac7dfb3b6
-ORIG_EXTRA.GRF    = 2f214be226d04af78c3afb961ccdd08d
+ORIG_EXTRA.GRF    = 73b921a42814c47a84945b7e9add5d9f
 
 [origin]
 default           = You can find it on your Transport Tycoon Deluxe CD-ROM.