diff --git a/bin/data/orig_dos.obg b/bin/data/orig_dos.obg
--- a/bin/data/orig_dos.obg
+++ b/bin/data/orig_dos.obg
@@ -24,7 +24,7 @@ TRGI.GRF     = da6a6c9dcc451eec88d792114
 TRGC.GRF     = ed446637e034104c5559b32c18afe78d
 TRGH.GRF     = ee6616fb0e6ef6b24892c58c93d86fc9
 TRGT.GRF     = e30e8a398ae86c03dc534a8ac7dfb3b6
-OPENTTDD.GRF = 7e02d0999123bdb8dcb86cc5cf708887
+OPENTTDD.GRF = c886c7d5b38a93f2cb1cdc0d33472eb8
 
 [origin]
 default      = You can find it on your Transport Tycoon Deluxe CD-ROM.