diff --git a/mailnews/compose/src/Makefile.in b/mailnews/compose/src/Makefile.in
index 798a78d17ac3..ee6e3754f19c 100644
--- a/mailnews/compose/src/Makefile.in
+++ b/mailnews/compose/src/Makefile.in
@@ -37,6 +37,11 @@ CPPSRCS = \
 	msgCompGlue.cpp	\
 	nsSmtpUrl.cpp \
 	nsSmtpProtocol.cpp \
+	msgCompGlue.cpp \
+	nsMsgCompFields.cpp \
+	nsMsgCompose.cpp \
+	nsMsgSend.cpp \
+	nsMsgSendPart.cpp \
 	$(NULL)
 
 include $(topsrcdir)/config/config.mk
diff --git a/mailnews/compose/src/makefile.win b/mailnews/compose/src/makefile.win
index 0d413116d716..b70bc7a094b5 100644
--- a/mailnews/compose/src/makefile.win
+++ b/mailnews/compose/src/makefile.win
@@ -31,6 +31,8 @@ CPPSRCS=    nsMsgCompFields.cpp \
             nsSmtpUrl.cpp		\
 			nsSmtpProtocol.cpp	\
             MsgCompGlue.cpp     \
+			nsMsgSend.cpp		\
+			nsMsgSendPart.cpp	\
             $(NULL)
 
 CPP_OBJS=   .\$(OBJDIR)\nsMsgCompFields.obj \
@@ -38,6 +40,8 @@ CPP_OBJS=   .\$(OBJDIR)\nsMsgCompFields.obj \
             .\$(OBJDIR)\nsSmtpUrl.obj		\
             .\$(OBJDIR)\MsgCompGlue.obj     \
 			.\$(OBJDIR)\nsSmtpProtocol.obj	\
+			.\$(OBJDIR)\nsMsgSend.obj		\
+			.\$(OBJDIR)\nsMsgSendPart.obj	\
             $(NULL)