===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/patch/patch.c,v
retrieving revision 1.67
retrieving revision 1.68
diff -u -r1.67 -r1.68
--- src/usr.bin/patch/patch.c	2019/06/28 05:35:35	1.67
+++ src/usr.bin/patch/patch.c	2019/06/28 13:35:02	1.68
@@ -1,4 +1,4 @@
-/*	$OpenBSD: patch.c,v 1.67 2019/06/28 05:35:35 deraadt Exp $	*/
+/*	$OpenBSD: patch.c,v 1.68 2019/06/28 13:35:02 deraadt Exp $	*/
 
 /*
  * patch - a program to apply diffs to original files
@@ -511,7 +511,7 @@
 			check_only = true;
 			break;
 		case 'd':
-			if (chdir(optarg) < 0)
+			if (chdir(optarg) == -1)
 				pfatal("can't cd to %s", optarg);
 			break;
 		case 'D':