diff --git a/hal/time/unix/time.c b/hal/time/unix/time.c
index 44094038..8596b6fc 100644
--- a/hal/time/unix/time.c
+++ b/hal/time/unix/time.c
@@ -41,8 +41,8 @@ Hal_getTimeInNs()
 
     clock_gettime(CLOCK_REALTIME, &now);
 
-    nsSinceEpoch nsTime = now.tv_sec * 1000000000UL;
-    nsTime += now.tv_nsec;
+    nsSinceEpoch nsTime = (nsSinceEpoch)(now.tv_sec) * 1000000000UL;
+    nsTime += (nsSinceEpoch)(now.tv_nsec);
 
     return nsTime;
 }
@@ -62,6 +62,4 @@ Hal_setTimeInNs(nsSinceEpoch nsTime)
     return true;
 }
 
-
 #endif
-