diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index d2d67209a32..b54ec549705 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -7577,8 +7577,8 @@ StartupXLOG(void)
 
 					initStringInfo(&buf);
 					appendStringInfo(&buf, "REDO @ %X/%X; LSN %X/%X: ",
-									 LSN_FORMAT_ARGS(ReadRecPtr),
-									 LSN_FORMAT_ARGS(EndRecPtr));
+									 LSN_FORMAT_ARGS(xlogreader->ReadRecPtr),
+									 LSN_FORMAT_ARGS(xlogreader->EndRecPtr));
 					xlog_outrec(&buf, xlogreader);
 					appendStringInfoString(&buf, " - ");
 					xlog_outdesc(&buf, xlogreader);