diff --git a/extconf.rb b/extconf.rb
index 2390694..e5b908a 100644
--- a/extconf.rb
+++ b/extconf.rb
@@ -20,6 +20,8 @@
   when /^i\d86-Mac OS X/         then "mruby/build/x86_64-apple-darwin14/bin/mjruby"
   when /^x86-Windows/            then "mruby/build/i686-w64-mingw32/bin/mjruby"
   when /^(amd64|x86_64)-Windows/ then "mruby/build/x86_64-w64-mingw32/bin/mjruby"
+  when /^x86-FreeBSD/            then "mruby/build/i686-pc-freebsd7/bin/mjruby"
+  when /^(amd64|x86_64)-FreeBSD/ then "mruby/build/x86_64-pc-freebsd7/bin/mjruby"
   else nil
     raise "Could not find appropriate architecture for '#{arch}'"
   end
diff --git a/mjruby.gemspec b/mjruby.gemspec
index de1f258..6296054 100644
--- a/mjruby.gemspec
+++ b/mjruby.gemspec
@@ -16,7 +16,9 @@ Gem::Specification.new do |spec|
   spec.files         = (["i386-apple-darwin14",
                          "x86_64-apple-darwin14",
                          "i686-pc-linux-gnu",
-                         "x86_64-pc-linux-gnu"
+                         "x86_64-pc-linux-gnu",
+                         "i686-pc-freebsd7",
+                         "x86_64-pc-freebsd7",
                          ].map {|p| "#{p}/bin/mjruby"} +
                         ["i686-w64-mingw32",
                          "x86_64-w64-mingw32"