--- useradd.c.orig	2006-04-08 10:47:03.016040384 +0200
+++ useradd.c	2006-04-08 11:17:09.218455880 +0200
@@ -1214,6 +1214,16 @@
 		usage ();
 
 	/*
+	 * Using -g and -n doesn't make sense
+	 */
+	if (nflg && gflg) {
+		fprintf(stderr,
+			_("%s: options -n and -g conflict and can't be used together\n"),
+			Prog);
+		exit (E_BAD_ARG);
+	}
+
+	/*
 	 * Either -D or username is required. Defaults can be set with -D
 	 * for the -b, -e, -f, -g, -s options only.
 	 */
@@ -1778,7 +1788,7 @@
 
 	/* do we have to add a group for that user? This is why we need to
 	 * open the group files in the open_files() function  --gafton */
-	if (nflg && !gflg) {
+	if (nflg) {
 		find_new_gid ();
 		grp_add ();
 	}