--- mdadm-1.12.0/config.c.super-minor	2007-01-31 13:09:02.000000000 -0500
+++ mdadm-1.12.0/config.c	2007-01-31 13:12:44.000000000 -0500
@@ -293,7 +293,7 @@
 					fprintf(stderr, Name ": bad uuid: %s\n", w);
 			}
 		} else if (strncasecmp(w, "super-minor=", 12)==0 ) {
-			if (mis.super_minor >= 0)
+			if (mis.super_minor != UnSet)
 				fprintf(stderr, Name ": only specify super-minor once, %s ignored.\n",
 					w);
 			else {