diff --git a/contrib/jemalloc/src/arena.c b/contrib/jemalloc/src/arena.c
index e0462e4b0caf..8e4b042c2026 100644
--- a/contrib/jemalloc/src/arena.c
+++ b/contrib/jemalloc/src/arena.c
@@ -1352,7 +1352,11 @@ static bool
 arena_decay_time_valid(ssize_t decay_time)
 {
 
-	return (decay_time >= -1 && (uint64_t)decay_time <= NSTIME_SEC_MAX);
+	if (decay_time < -1)
+		return (false);
+	if (decay_time == -1 || (uint64_t)decay_time <= NSTIME_SEC_MAX)
+		return (true);
+	return (false);
 }
 
 ssize_t