diff --git a/src/table/files.h b/src/table/files.h
--- a/src/table/files.h
+++ b/src/table/files.h
@@ -64,4 +64,5 @@ static MD5File files_openttd[] = {
 	{ "roadstops.grf", { 0x8c, 0xd9, 0x45, 0x21, 0x28, 0x82, 0x96, 0x45, 0x33, 0x22, 0x7a, 0xb9, 0x0d, 0xf3, 0x67, 0x4a } },
 	{ "group.grf",     { 0xe8, 0x52, 0x5f, 0x1c, 0x3e, 0xf9, 0x91, 0x9d, 0x0f, 0x70, 0x8c, 0x8a, 0x21, 0xa4, 0xc7, 0x02 } },
 	{ "tramtrkw.grf",  { 0x83, 0x0a, 0xf4, 0x9f, 0x29, 0x10, 0x48, 0xfd, 0x76, 0xe9, 0xda, 0xac, 0x5d, 0xa2, 0x30, 0x45 } },
+	{ "oneway.grf",    { 0xbb, 0xc6, 0xa3, 0xb2, 0xb3, 0xa0, 0xc9, 0x3c, 0xc9, 0xee, 0x24, 0x7c, 0xb6, 0x51, 0x74, 0x63 } },
 };