diff --git a/mozilla/build/mac/NGLayoutBuildList.pm b/mozilla/build/mac/NGLayoutBuildList.pm
index 421b8af2638..b8270e8a09a 100644
--- a/mozilla/build/mac/NGLayoutBuildList.pm
+++ b/mozilla/build/mac/NGLayoutBuildList.pm
@@ -1170,6 +1170,7 @@ sub MakeResourceAliases()
         _InstallResources(":mozilla:mailnews:mime:emitters:resources:skin:MANIFEST",     "$messenger_chrome_dir:skin:default:", 0);
         _InstallResources(":mozilla:mailnews:mime:emitters:resources:content:MANIFEST",     "$messenger_chrome_dir:content:default:", 0);
         _InstallResources(":mozilla:mailnews:local:resources:skin:MANIFEST",             "$messenger_chrome_dir:skin:default:", 0);
+        _InstallResources(":mozilla:mailnews:local:resources:locale:en-US:MANIFEST",     "$messenger_chrome_dir:locale:en-US:", 0);
         _InstallResources(":mozilla:mailnews:news:resources:skin:MANIFEST",              "$messenger_chrome_dir:skin:default:", 0);
 		_InstallResources(":mozilla:mailnews:news:resources:content:MANIFEST",    		 "$messenger_chrome_dir:content:default:", 0);