diff --git a/sysdeps/ieee754/ldbl-96/test-totalorderl-ldbl-96.c b/sysdeps/ieee754/ldbl-96/test-totalorderl-ldbl-96.c
index 5d64da8a91..aa88ba6369 100644
--- a/sysdeps/ieee754/ldbl-96/test-totalorderl-ldbl-96.c
+++ b/sysdeps/ieee754/ldbl-96/test-totalorderl-ldbl-96.c
@@ -46,9 +46,9 @@ do_test (void)
 	SET_LDOUBLE_WORDS (ldy, 0x7fff,
 			   (tests[i] >> 32) | 0x80000000,
 			   tests[i] & 0xffffffffULL);
-	SET_LDOUBLE_WORDS (ldnx, 0xffff,
+	SET_LDOUBLE_WORDS (ldnx, -1,
 			   tests[i] >> 32, tests[i] & 0xffffffffULL);
-	SET_LDOUBLE_WORDS (ldny, 0xffff,
+	SET_LDOUBLE_WORDS (ldny, -1,
 			   (tests[i] >> 32) | 0x80000000,
 			   tests[i] & 0xffffffffULL);
 	bool to1 = totalorderl (&ldx, &ldy);