diff --git a/msvc/c/Makefile b/msvc/c/Makefile
index 434e312b0..de3879027 100755
--- a/msvc/c/Makefile
+++ b/msvc/c/Makefile
@@ -96,7 +96,7 @@ OBJS	= main.obj symbol.obj package.obj list.obj\
 	mapfun.obj multival.obj hash.obj format.obj pathname.obj\
 	structure.obj load.obj unixfsys.obj unixsys.obj \
 	ffi.obj alloc_2.obj tcp.obj $(THREADS_OBJ) serialize.obj \
-	$(ECL_FFI_OBJ) $(ECL_UCD_OBJ)
+	$(ECL_FFI_OBJ) $(ECL_UCD_OBJ) mmap.obj cdata.obj
 
 all:	$(DPP) ..\eclmin.lib ..\cinit.obj