diff --git a/src/include/pgstat.h b/src/include/pgstat.h
index 3c411ae5194..454a2cce0e5 100644
--- a/src/include/pgstat.h
+++ b/src/include/pgstat.h
@@ -212,7 +212,7 @@ typedef struct PgStat_TableXactStatus
  * ------------------------------------------------------------
  */
 
-#define PGSTAT_FILE_FORMAT_ID	0x01A5BCB0
+#define PGSTAT_FILE_FORMAT_ID	0x01A5BCB1
 
 typedef struct PgStat_ArchiverStats
 {