diff --git a/post/2014-03-20-re-freebsd-clang-and-gcc-copyleft-vs-community.md b/post/2014-03-20-re-freebsd-clang-and-gcc-copyleft-vs-community.md
index 30fd0d8..d43a4b2 100644
--- a/post/2014-03-20-re-freebsd-clang-and-gcc-copyleft-vs-community.md
+++ b/post/2014-03-20-re-freebsd-clang-and-gcc-copyleft-vs-community.md
@@ -9,7 +9,7 @@ between free software and "open source".
 
 [0]: https://www.gnu.org/software/ocrad/ocrad.html
 [1]: https://www.gnu.org/philosophy/free-sw.html
-[2]: /2013/08/freebsd-clang-and-gcc-copyleft-vs.community
+[2]: /2013/08/freebsd-clang-and-gcc-copyleft-vs-community
 
 I found Antonio's perspective to be enlightening, so I asked for his
 permission to share it here.
diff --git a/src/redirect-map.php b/src/redirect-map.php
index 800e952..00303d3 100644
--- a/src/redirect-map.php
+++ b/src/redirect-map.php
@@ -50,6 +50,7 @@ $map = [
  "/2012/11/vlc-s-move-to-lgpl"                                                               => "/2012/11/vlcs-move-to-lgpl",
  "/2013/04/u.s.-house-passes-cispa"                                                          => "/2013/04/us-house-passes-cispa",
  "/2013/08/freebsd-clang-and-gcc-copyleft-vs.-community"                                     => "/2013/08/freebsd-clang-and-gcc-copyleft-vs-community",
+ "/2013/08/freebsd-clang-and-gcc-copyleft-vs.community"                                      => "/2013/08/freebsd-clang-and-gcc-copyleft-vs-community",
  "/2013/08/windows-8.1-to-display-targeted-advertisements-on-local-system-searches"          => "/2013/08/windows-81-to-display-targeted-advertisements-on-local-system-searches",
  "/2014/03/re-freebsd-clang-and-gcc-copyleft-vs.-community"                                  => "/2014/03/re-freebsd-clang-and-gcc-copyleft-vs-community",
  "/2016/01/google-analytics-removed-from-gitlab.com-instance"                                => "/2016/01/google-analytics-removed-from-gitlabcom-instance",