diff --git a/src/saveload/subsidy_sl.cpp b/src/saveload/subsidy_sl.cpp
--- a/src/saveload/subsidy_sl.cpp
+++ b/src/saveload/subsidy_sl.cpp
@@ -46,5 +46,5 @@ static void Load_SUBS()
 }
 
 extern const ChunkHandler _subsidy_chunk_handlers[] = {
-	{ 'SUBS', Save_SUBS, Load_SUBS, NULL, CH_ARRAY | CH_LAST},
+	{ 'SUBS', Save_SUBS, Load_SUBS, NULL, NULL, CH_ARRAY | CH_LAST},
 };