diff --git a/hudson_mac_package_release.rb b/hudson_mac_package_release.rb
index 5ccbe9d..07ad53d 100755
--- a/hudson_mac_package_release.rb
+++ b/hudson_mac_package_release.rb
@@ -17,6 +17,9 @@ osgVersion = runOsgVersion('version-number')
 $osgSoVersion=runOsgVersion('so-number')
 $openThreadsSoVersion=runOsgVersion('openthreads-soversion-number')
 
+$codeSignIdentity = ENV['FG_CODESIGN_IDENTITY']
+puts "Code signing identity is #{$codeSignIdentity}"
+
 puts "osgVersion=#{osgVersion}, so-number=#{$osgSoVersion}"
 
 $alutSourcePath='/Library/Frameworks/ALUT.framework'
@@ -69,7 +72,7 @@ end
 
 def code_sign(path)
   puts "Signing #{path}"
-  `codesign -s "Mac Developer: James Turner (3JTY4GZGL8)" #{path}`
+  `codesign -s "#{$codeSignIdentity}" #{path}`
 end