diff --git a/depot.c b/depot.c
--- a/depot.c
+++ b/depot.c
@@ -108,7 +108,7 @@ void InitializeDepot(void)
 
 static const SaveLoad _depot_desc[] = {
 	SLE_CONDVAR(Depot, xy,			SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
-	SLE_CONDVAR(Depot, xy,			SLE_UINT32, 6, 255),
+	SLE_CONDVAR(Depot, xy,			SLE_UINT32, 6, SL_MAX_VERSION),
 	SLE_VAR(Depot,town_index,		SLE_UINT16),
 	SLE_END()
 };