doc/news.texi | 7 +++++++
 tmp.go        | 2 +-
 usage.go      | 2 +-

diff --git a/doc/news.texi b/doc/news.texi
index 5b5453dac605fee68348414674b6460a98a508663aad9e5a0363cdb3c8569b4f..2ee26951b854101f2d86232737bbc0686b18d24d485dab94be1ac3147ac51e96 100644
--- a/doc/news.texi
+++ b/doc/news.texi
@@ -2,6 +2,13 @@ @node News
 @cindex news
 @unnumbered News
 
+@anchor{Release 1_27_1}
+@section Release 1.27.1
+@itemize
+@item
+    Fixed lack of @file{.redo.}-prefix in temporary file names.
+@end itemize
+
 @anchor{Release 1_27_0}
 @section Release 1.27.0
 @itemize
diff --git a/tmp.go b/tmp.go
index 1107023bf5d41f3775e9aa869e032d1546c738a4625c3b72daf968615c1fe1ae..ae32ec8ef8e88cda583afe511f78066b569dfbf2e08973c87d31f90a3f31c3b6 100644
--- a/tmp.go
+++ b/tmp.go
@@ -24,7 +24,7 @@ 	"os"
 )
 
 func tempfile(dir, prefix string) (*os.File, error) {
-	tmp, err := os.CreateTemp(dir, prefix)
+	tmp, err := os.CreateTemp(dir, TmpPrefix+prefix+".")
 	if err != nil {
 		return nil, err
 	}
diff --git a/usage.go b/usage.go
index 9abaa9c4d2490cc4f8e9ec22f1fe6002d624b391600fad082a7976fb9e7baa0b..4fe42216230bc3b89b9ccf877d631f6a0fcc4ab6f32733eeeaaa699a10de7317 100644
--- a/usage.go
+++ b/usage.go
@@ -24,7 +24,7 @@ 	"os"
 )
 
 const (
-	Version  = "1.27.0"
+	Version  = "1.27.1"
 	Warranty = `Copyright (C) 2020-2022 Sergey Matveev
 
 This program is free software: you can redistribute it and/or modify