diff --git a/mailnews/compose/public/makefile.win b/mailnews/compose/public/makefile.win
index 2989eacaa21c..acd99bde2b6c 100644
--- a/mailnews/compose/public/makefile.win
+++ b/mailnews/compose/public/makefile.win
@@ -40,7 +40,7 @@ EXPORTS =										\
 				nsMsgCompFieldsFact.h			\
 				nsMsgSendFact.h					\
 				nsMsgSendLaterFact.h			\
-				nsISmtpUrl.h					\
+				nsISmtpService.h				\
 				$(NULL)
 
 include <$(DEPTH)\config\rules.mak>