diff --git a/contrib/netbsd-tests/lib/libc/locale/t_mbstowcs.c b/contrib/netbsd-tests/lib/libc/locale/t_mbstowcs.c
index 7f2acfc174c5..0c443169362b 100644
--- a/contrib/netbsd-tests/lib/libc/locale/t_mbstowcs.c
+++ b/contrib/netbsd-tests/lib/libc/locale/t_mbstowcs.c
@@ -87,7 +87,11 @@ static struct test {
 		0x5B, 0x01, 0x7F, 0x5D, 0x5B, 0x80, 0x07FF, 0x5D, 0x5B, 0x0800,
 		0xFFFF, 0x5D, 0x5B, 0x10000, 0x10FFFF, 0x5D, 0x0A
 	},
+#ifdef __FreeBSD__
 	{	 1, -1, -1,  1,  1, -1, 1,  1,  1, 1, -1,  1,  1, -1, -1,
+#else
+	{	 1, -1, -1,  1,  1, -1, -1,  1,  1, -1, -1,  1,  1, -1, -1,
+#endif
 		 1,  1, -1, -1,  1,  1, -1, -1,  1, -1
 	}, 
 	-1