diff --git a/src/rdb.c b/src/rdb.c
index e98ce996..bb9121c8 100644
--- a/src/rdb.c
+++ b/src/rdb.c
@@ -36,7 +36,7 @@ time_t rdbLoadTime(rio *rdb) {
     return (time_t)t32;
 }
 
-int rdbSaveMillisecondTime(rio *rdb, time_t t) {
+int rdbSaveMillisecondTime(rio *rdb, long long t) {
     int64_t t64 = (int64_t) t;
     return rdbWriteRaw(rdb,&t64,8);
 }