diff --git a/mailnews/local/src/MANIFEST b/mailnews/local/src/MANIFEST
index dc2b60f8fb8..31bbbab975e 100644
--- a/mailnews/local/src/MANIFEST
+++ b/mailnews/local/src/MANIFEST
@@ -26,3 +26,5 @@ nsMailboxService.h
 nsPop3Service.h
 nsPop3IncomingServer.h
 nsLocalMessage.h
+nsLocalStringBundle.h
+