diff --git a/blanket-permission.txt b/blanket-permission.txt
index 4be4038..9c89280 100644
--- a/blanket-permission.txt
+++ b/blanket-permission.txt
@@ -34,7 +34,7 @@ Gottfried Gan
 Greg Colvin (gregory.colvin -at- oracle.com) (See Boost list message of Sat, 14 Aug 2004 10:57:00 +0100)
 Gregory Colvin (gregory.colvin -at- oracle.com) (See Boost list message of Sat, 14 Aug 2004 10:57:00 +0100)
 Gunter Winkler (gunter.winkler -at- unibw-muenchen.de) (See Boost List message of Mon, 16 Aug 2004 10:24:17 +0200)
-Hartmut Kaiser (HartmutKaiser -at- t-online.de)
+Hartmut Kaiser (hartmut.kaiser -at- gmail.com)
 Herve Bronnimann (hbr -at- poly.edu)
 Hervé Brönnimann (hbr -at- poly.edu)
 Housemarque Oy (Ilari Kuittinen ilari.kuittinen -at- housemarque.fi)