diff -rN -u old-utils/libfwgrubconfig/libfwgrubconfig.c new-utils/libfwgrubconfig/libfwgrubconfig.c
--- old-utils/libfwgrubconfig/libfwgrubconfig.c	2007-04-11 00:38:17.000000000 +0200
+++ new-utils/libfwgrubconfig/libfwgrubconfig.c	2007-04-11 00:38:17.000000000 +0200
@@ -400,6 +400,8 @@
 	fprintf(entry->fp, "title %s\n", entry->title);
 	if(!entry->type || !strcmp(entry->type, "linux"))
 	{
+		if(is_raid1_device(entry->rootdev))
+			*(entry->grubbootdev) = '\0';
 		if(entry->opts)
 		{
 			if(entry->rootdev && strlen(entry->rootdev))