diff --git a/.mailmap b/.mailmap
index 6b0cea5069..ed8b7759f6 100644
--- a/.mailmap
+++ b/.mailmap
@@ -2,6 +2,7 @@
 # <preferred e-mail> <other e-mail 1>
 # <preferred e-mail> <other e-mail 2>
 <adam.gandelman@canonical.com> <adamg@canonical.com>
+<bknudson@us.ibm.com> <blk@acm.org>
 <brian.waldon@rackspace.com> <bcwaldon@gmail.com>
 <brian.lamar@rackspace.com> <brian.lamar@gmail.com>
 <dolph.mathews@gmail.com> <dolph.mathews@rackspace.com>