diff --git a/sip/regen_makefile.sh b/sip/regen_makefile.sh
index c7a645d..ecec62b 100755
--- a/sip/regen_makefile.sh
+++ b/sip/regen_makefile.sh
@@ -17,6 +17,7 @@
 	SIPmsg_PT.cc
 	TCCConversion.cc
 	TCCInterface.cc
+	TCCOpenSecurity.cc
 	TELNETasp_PT.cc
 	UD_PT.cc
 "