diff --git a/contrib/netbsd-tests/lib/libc/sys/t_setrlimit.c b/contrib/netbsd-tests/lib/libc/sys/t_setrlimit.c
index b6034ec87c4..31db878c585 100644
--- a/contrib/netbsd-tests/lib/libc/sys/t_setrlimit.c
+++ b/contrib/netbsd-tests/lib/libc/sys/t_setrlimit.c
@@ -129,6 +129,9 @@ out:
 
 	if (lim != 0)
 		atf_tc_fail("failed to set limit (%d)", lim);
+#ifdef	__FreeBSD__
+	free(buf);
+#endif
 }
 
 ATF_TC(setrlimit_current);