diff --git a/tests/lib/libm/t_precision.c b/tests/lib/libm/t_precision.c
index 777666f297fb..df2d8a36e3f6 100644
--- a/tests/lib/libm/t_precision.c
+++ b/tests/lib/libm/t_precision.c
@@ -1,4 +1,4 @@
-/* $NetBSD: t_precision.c,v 1.2 2014/11/04 00:20:19 justin Exp $ */
+/* $NetBSD: t_precision.c,v 1.3 2016/08/27 10:07:05 christos Exp $ */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: t_precision.c,v 1.2 2014/11/04 00:20:19 justin Exp $");
+__RCSID("$NetBSD: t_precision.c,v 1.3 2016/08/27 10:07:05 christos Exp $");
 
 #include <atf-c.h>
 
@@ -45,7 +45,9 @@ ATF_TC_HEAD(t_precision, tc)
 }
 
 volatile double x = 1;
+#if __HAVE_LONG_DOUBLE
 volatile long double y = 1;
+#endif
 
 ATF_TC_BODY(t_precision, tc)
 {
@@ -58,6 +60,7 @@ ATF_TC_BODY(t_precision, tc)
 	x += DBL_EPSILON;
 	ATF_CHECK(x == 2.0);
 
+#if __HAVE_LONG_DOUBLE
 	y += LDBL_EPSILON;
 	ATF_CHECK(y != 1.0L);
 	y -= 1;
@@ -65,6 +68,7 @@ ATF_TC_BODY(t_precision, tc)
 	y = 2;
 	y += LDBL_EPSILON;
 	ATF_CHECK(y == 2.0L);
+#endif
 }
 
 ATF_TP_ADD_TCS(tp)