diff --git a/src/replication.cpp b/src/replication.cpp
index 5fc9d2ecd..8db1b0534 100644
--- a/src/replication.cpp
+++ b/src/replication.cpp
@@ -3740,7 +3740,7 @@ void syncWithMaster(connection *conn) {
             auto dt = std::chrono::system_clock::now().time_since_epoch();
             auto dtMillisecond = std::chrono::duration_cast<std::chrono::milliseconds>(dt);
             snprintf(tmpfile,sizeof(tmpfile),
-                "temp-%d.%ld.rdb",(int)dtMillisecond.count(),(long int)getpid());
+                "temp-%lld.%ld.rdb",(long long)dtMillisecond.count(),(long int)getpid());
             dfd = open(tmpfile,O_CREAT|O_WRONLY|O_EXCL,0644);
             if (dfd != -1) break;
             sleep(1);