diff --git a/hnodeb/regen_makefile.sh b/hnodeb/regen_makefile.sh
index 9ebfaf2..2d13504 100755
--- a/hnodeb/regen_makefile.sh
+++ b/hnodeb/regen_makefile.sh
@@ -24,6 +24,7 @@
 	TELNETasp_PT.cc
 	HNBAP_EncDec.cc
 	RUA_EncDec.cc
+	UD_PT.cc
 "
 
 export CPPFLAGS_TTCN3="