diff --git a/mail/config/mail-jar.mn b/mail/config/mail-jar.mn
index 7f3fc195be4..09391ef68cc 100644
--- a/mail/config/mail-jar.mn
+++ b/mail/config/mail-jar.mn
@@ -129,6 +129,7 @@ content/global/XPCNativeWrapper.js,                   toolkit/content/global/XPC
 content/global/fontpackage.xul,                       toolkit/content/global/fontpackage.xul
 content/global/fontpackage.js,                        toolkit/content/global/fontpackage.js
 content/global/alerts,                                toolkit/content/global/alerts
+content/global/platformHTMLBindings.xml,              toolkit/content/global/platformHTMLBindings.xml
 
 #from mozapps
 content/mozapps/downloads,                            toolkit/content/mozapps/downloads