diff --git a/src/bin/pg_basebackup/pg_recvlogical.c b/src/bin/pg_basebackup/pg_recvlogical.c
index d16d08b..54d7819 100644
--- a/src/bin/pg_basebackup/pg_recvlogical.c
+++ b/src/bin/pg_basebackup/pg_recvlogical.c
@@ -65,7 +65,7 @@ static XLogRecPtr output_fsync_lsn = InvalidXLogRecPtr;
 static void usage(void);
 static void StreamLogicalLog(void);
 static void disconnect_and_exit(int code);
-static bool flushAndSendFeedback(PGconn *conn, TimestampTz *now);
+static bool flushAndSendFeedback(PGconn *conn, int64 *now);
 static void prepareToTerminate(PGconn *conn, XLogRecPtr endpos,
 				   bool keepalive, XLogRecPtr lsn);
 
@@ -1024,7 +1024,7 @@ main(int argc, char **argv)
  * feedback.
  */
 static bool
-flushAndSendFeedback(PGconn *conn, TimestampTz *now)
+flushAndSendFeedback(PGconn *conn, int64 *now)
 {
 	/* flush data to disk, so that we send a recent flush pointer */
 	if (!OutputFsync(*now))