diff --git a/src/libFLAC/Makefile.vc b/src/libFLAC/Makefile.vc
index 914e7bc6..0846c624 100644
--- a/src/libFLAC/Makefile.vc
+++ b/src/libFLAC/Makefile.vc
@@ -17,6 +17,7 @@ C_FILES= \
 	fixed.c \
 	format.c \
 	lpc.c \
+	md5.c \
 	stream_decoder.c
 
 OBJS= $(C_FILES:.c=.obj)