diff --git a/src/libCom/Makefile.Vx b/src/libCom/Makefile.Vx
index 407af6e67..43b47ae49 100644
--- a/src/libCom/Makefile.Vx
+++ b/src/libCom/Makefile.Vx
@@ -33,9 +33,11 @@ SRCS.c += ../dbmf.c
 SRCS.c += ../epicsString.c
 SRCS.c += ../aToIPAddr.c
 SRCS.c += ../adjustment.c
+SRCS.c += ../bsdSockResCom.c
 SRCS.c += ../os/vxWorks/bsdSockResource.c
 SRCS.c += ../os/vxWorks/osiSleep.c
 
+
 LIBOBJS += cvtFast.o
 LIBOBJS += ellLib.o
 LIBOBJS += envData.o
@@ -63,6 +65,7 @@ LIBOBJS += dbmf.o
 LIBOBJS += epicsString.o
 LIBOBJS += aToIPAddr.o
 LIBOBJS += adjustment.o
+LIBOBJS += bsdSockResCom.o
 LIBOBJS += bsdSockResource.o
 LIBOBJS += osiSleep.o