--- src/bin/ps/ps.c	2004/06/21 00:47:57	1.8
+++ src/bin/ps/ps.c	2004/06/21 01:03:06	1.9
@@ -353,7 +353,7 @@ main(int argc, char **argv)
 	/*
 	 * select procs
 	 */
-	if ((kp = kvm_getprocs(kd, what, flag, &nentries)) == 0)
+	if ((kp = kvm_getprocs(kd, what, flag, &nentries)) == NULL)
 		errx(1, "%s", kvm_geterr(kd));
 	if ((kinfo = malloc(nentries * sizeof(*kinfo))) == NULL)
 		err(1, NULL);