diff --git a/doc/src/sgml/protocol.sgml b/doc/src/sgml/protocol.sgml
index 31bbc0d4c2e..cec56978b74 100644
--- a/doc/src/sgml/protocol.sgml
+++ b/doc/src/sgml/protocol.sgml
@@ -1369,7 +1369,7 @@ The commands accepted in walsender mode are:
       </term>
       <listitem>
       <para>
-       Current xlog write location. Useful to get a known location in the
+       Current xlog flush location. Useful to get a known location in the
        transaction log where streaming can start.
       </para>
       </listitem>
diff --git a/src/backend/replication/walsender.c b/src/backend/replication/walsender.c
index f593c529842..121b33d2ab7 100644
--- a/src/backend/replication/walsender.c
+++ b/src/backend/replication/walsender.c
@@ -315,7 +315,7 @@ IdentifySystem(void)
 		logptr = GetStandbyFlushRecPtr();
 	}
 	else
-		logptr = GetInsertRecPtr();
+		logptr = GetFlushRecPtr();
 
 	snprintf(tli, sizeof(tli), "%u", ThisTimeLineID);