diff --git a/economy.c b/economy.c
--- a/economy.c
+++ b/economy.c
@@ -1075,9 +1075,9 @@ static const SaveLoad _subsidies_desc[] 
 	SLE_VAR(Subsidy,cargo_type,		SLE_UINT8),
 	SLE_VAR(Subsidy,age,					SLE_UINT8),
 	SLE_CONDVAR(Subsidy,from,			SLE_FILE_U8 | SLE_VAR_U16, 0, 4),
-	SLE_CONDVAR(Subsidy,from,			SLE_UINT16, 5, 255),
+	SLE_CONDVAR(Subsidy,from,			SLE_UINT16, 5, SL_MAX_VERSION),
 	SLE_CONDVAR(Subsidy,to,				SLE_FILE_U8 | SLE_VAR_U16, 0, 4),
-	SLE_CONDVAR(Subsidy,to,				SLE_UINT16, 5, 255),
+	SLE_CONDVAR(Subsidy,to,				SLE_UINT16, 5, SL_MAX_VERSION),
 	SLE_END()
 };