diff --git a/src/include/access/xlog_internal.h b/src/include/access/xlog_internal.h
index 3f0de6625d..e7e10beb4c 100644
--- a/src/include/access/xlog_internal.h
+++ b/src/include/access/xlog_internal.h
@@ -31,7 +31,7 @@
 /*
  * Each page of XLOG file has a header like this:
  */
-#define XLOG_PAGE_MAGIC 0xD101	/* can be used as WAL version indicator */
+#define XLOG_PAGE_MAGIC 0xD102	/* can be used as WAL version indicator */
 
 typedef struct XLogPageHeaderData
 {