diff --git a/doc/src/sgml/protocol.sgml b/doc/src/sgml/protocol.sgml
index efe75ea493..3a753a0b9b 100644
--- a/doc/src/sgml/protocol.sgml
+++ b/doc/src/sgml/protocol.sgml
@@ -1371,7 +1371,7 @@ 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 25fcbca39e..af5c1cc3ba 100644
--- a/src/backend/replication/walsender.c
+++ b/src/backend/replication/walsender.c
@@ -316,7 +316,7 @@ IdentifySystem(void)
 		logptr = GetStandbyFlushRecPtr();
 	}
 	else
-		logptr = GetInsertRecPtr();
+		logptr = GetFlushRecPtr();
 
 	snprintf(tli, sizeof(tli), "%u", ThisTimeLineID);