diff --git a/velox/type/Timestamp.h b/velox/type/Timestamp.h
index b0901ba0b6f7d..b676ad40f9617 100644
--- a/velox/type/Timestamp.h
+++ b/velox/type/Timestamp.h
@@ -188,8 +188,8 @@ struct Timestamp {
     // Timestamp(-9223372036855, 224'192'000).
 
     // If the final result does not fit in int64_t we throw.
-    __int128_t result =
-        (__int128_t)seconds_ * 1'000'000 + (int64_t)(nanos_ / 1'000);
+    __int128_t result = static_cast<__int128_t>(seconds_) * 1'000'000 +
+        static_cast<int64_t>(nanos_ / 1'000);
     if (result < INT64_MIN || result > INT64_MAX) {
       VELOX_USER_FAIL(
           "Could not convert Timestamp({}, {}) to microseconds",