diff --git a/src/include/access/xlog_internal.h b/src/include/access/xlog_internal.h
index 29a50838fa40fb2497791e48ff82a359c355b6b6..feae4563e1521b022f2e0e1fbf6ddf4f07f06df7 100644
--- a/src/include/access/xlog_internal.h
+++ b/src/include/access/xlog_internal.h
@@ -71,7 +71,7 @@ typedef struct XLogContRecord
 /*
  * Each page of XLOG file has a header like this:
  */
-#define XLOG_PAGE_MAGIC 0xD065	/* can be used as WAL version indicator */
+#define XLOG_PAGE_MAGIC 0xD066	/* can be used as WAL version indicator */
 
 typedef struct XLogPageHeaderData
 {