diff --git a/src/openttd.cpp b/src/openttd.cpp
index 1048d687b9..27a65c1245 100644
--- a/src/openttd.cpp
+++ b/src/openttd.cpp
@@ -396,7 +396,7 @@ static void WriteSavegameInfo(const char *name)
 		for (GRFConfig *c = _load_check_data.grfconfig; c != nullptr; c = c->next) {
 			char md5sum[33];
 			md5sumToString(md5sum, lastof(md5sum), HasBit(c->flags, GCF_COMPATIBLE) ? c->original_md5sum : c->ident.md5sum);
-			p += seprintf(p, lastof(buf), "%08X %s %s\n", c->ident.grfid, md5sum, c->filename.c_str());
+			p += seprintf(p, lastof(buf), "%08X %s %s\n", BSWAP32(c->ident.grfid), md5sum, c->filename.c_str());
 		}
 	}