diff --git a/src/lib.rs b/src/lib.rs
index 8d8c03f5..863250ae 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -207,7 +207,7 @@ impl TimeVal {
     pub const fn new(tv_sec: time_t, tv_usec: suseconds_t) -> TimeVal {
         const MICROS_PER_SEC: suseconds_t = 1_000_000;
         TimeVal {
-            tv_sec: tv_sec + tv_usec / MICROS_PER_SEC,
+            tv_sec: tv_sec + (tv_usec / MICROS_PER_SEC) as time_t,
             tv_usec: tv_usec % MICROS_PER_SEC,
         }
     }