diff --git a/src/bin/pg_waldump/pg_waldump.c b/src/bin/pg_waldump/pg_waldump.c
index ba5fa3b4061..b4d82adb16c 100644
--- a/src/bin/pg_waldump/pg_waldump.c
+++ b/src/bin/pg_waldump/pg_waldump.c
@@ -1129,13 +1129,13 @@ main(int argc, char **argv)
 		char		xlogfname[MAXFNAMELEN];
 		if (!timeline_specified)
 		{
-			pg_log_error("timeline not specified.", strerror(errno));
+			pg_log_error("timeline not specified");
 			goto bad_argument;
 		}
 
 		if (!path_specified)
 		{
-			pg_log_error("path not specified.", strerror(errno));
+			pg_log_error("path not specified");
 			goto bad_argument;
 		}
 
diff --git a/src/bin/pg_waldump/t/001_basic.pl b/src/bin/pg_waldump/t/001_basic.pl
index 5c6d6b914b1..df04b3a406c 100644
--- a/src/bin/pg_waldump/t/001_basic.pl
+++ b/src/bin/pg_waldump/t/001_basic.pl
@@ -21,7 +21,7 @@
 $node->command_checks_all(['pg_waldump', '-p', "$pgdata/pg_wal/", '--last-valid-walname'],
     1,
     [qr{^$}],
-    [qr/pg_waldump: error: timeline not specified.\nTry "pg_waldump --help" for more information./],
+    [qr/pg_waldump: error: timeline not specified\nTry "pg_waldump --help" for more information./],
 	'pg_waldump fails if timeline not provided');
 
 $node->command_checks_all(['pg_waldump', '-p', "$pgdata/pg_wal/", '-t', 'st', '--last-valid-walname'],
@@ -33,7 +33,7 @@
 $node->command_checks_all(['pg_waldump', '-t', '1', '--last-valid-walname'],
     1,
     [qr{^$}],
-    [qr/pg_waldump: error: path not specified.\nTry "pg_waldump --help" for more information./],
+    [qr/pg_waldump: error: path not specified\nTry "pg_waldump --help" for more information./],
     'pg_waldump fails if pg_wal path not provided using -p');
 
 $node->command_checks_all(['pg_waldump', '-p', "/tmp/pg_wal/", '-t', '1', '--last-valid-walname'],