diff --git a/doc/src/sgml/protocol.sgml b/doc/src/sgml/protocol.sgml
index 1457ae84523..428d22040da 100644
--- a/doc/src/sgml/protocol.sgml
+++ b/doc/src/sgml/protocol.sgml
@@ -1350,7 +1350,7 @@ 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 442b13a1123..68b4f4f0e4b 100644
--- a/src/backend/replication/walsender.c
+++ b/src/backend/replication/walsender.c
@@ -259,7 +259,7 @@ IdentifySystem(void)
 		logptr = GetStandbyFlushRecPtr();
 	}
 	else
-		logptr = GetInsertRecPtr();
+		logptr = GetFlushRecPtr();
 
 	snprintf(tli, sizeof(tli), "%u", ThisTimeLineID);