1 files changed, 3 insertions, 1 deletions

diff --git a/regress/unittests/conversion/tests.c b/regress/unittests/conversion/tests.c
index 6dd77ef42..ae1154d42 100644
--- a/regress/unittests/conversion/tests.c
+++ b/regress/unittests/conversion/tests.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: tests.c,v 1.1 2017/03/14 01:20:29 dtucker Exp $ */
+/*      $OpenBSD: tests.c,v 1.2 2019/06/14 04:03:48 djm Exp $ */
 /*
  * Regress test for conversions
  *
@@ -40,6 +40,8 @@ tests(void)
         ASSERT_LONG_EQ(convtime("-9d"), -1);
         
         /* overflow */
+        snprintf(buf, sizeof buf, "%llu", (unsigned long long)LONG_MAX);
+        ASSERT_LONG_EQ(convtime(buf), -1);
         snprintf(buf, sizeof buf, "%llu", (unsigned long long)LONG_MAX + 1);
         ASSERT_LONG_EQ(convtime(buf), -1);