Index: tests/sys/kern/ptrace_test.c
===================================================================
--- tests/sys/kern/ptrace_test.c
+++ tests/sys/kern/ptrace_test.c
@@ -3965,7 +3965,7 @@
 	if (fpid == 0) {
 		trace_me();
 		kill(getpid(), 0);
-		close(3);
+		close(12345); /* Any fd number that should not exist */
 		exit(1);
 	}
 
@@ -4067,7 +4067,7 @@
 
 	ATF_REQUIRE(ptrace(PT_GET_SC_ARGS, wpid, (caddr_t)args,
 	    sizeof(args)) != -1);
-	REQUIRE_EQ_INT(args[0], 3);
+	REQUIRE_EQ_INT(args[0], 12345);
 
 	REQUIRE_EQ_INT(ptrace(PT_CONTINUE, fpid, (caddr_t)1, 0), 0);