diff --git a/src/saveload/newgrf_sl.cpp b/src/saveload/newgrf_sl.cpp
--- a/src/saveload/newgrf_sl.cpp
+++ b/src/saveload/newgrf_sl.cpp
@@ -74,10 +74,7 @@ static const SaveLoad _grfconfig_desc[] 
 
 
 struct NGRFChunkHandler : ChunkHandler {
-	NGRFChunkHandler() : ChunkHandler('NGRF', CH_TABLE)
-	{
-		this->load_check = true;
-	}
+	NGRFChunkHandler() : ChunkHandler('NGRF', CH_TABLE) {}
 
 	void Save() const override
 	{