diff --git a/bsc/regen_makefile.sh b/bsc/regen_makefile.sh
index 0b8e1fa..e9eb808 100755
--- a/bsc/regen_makefile.sh
+++ b/bsc/regen_makefile.sh
@@ -2,6 +2,8 @@
 
 MAIN=BSC_Tests.ttcn
 
-FILES="*.ttcn IPA_CodecPort_CtrlFunctDef.cc IPL4asp_PT.cc IPL4asp_discovery.cc TCCConversion.cc TCCInterface.cc SCTPasp_PT.cc RTP_EncDec.cc SDP_EncDec.cc RTP_CodecPort_CtrlFunctDef.cc MGCP_CodecPort_CtrlFunctDef.cc IuUP_EncDec.cc Native_FunctionDefs.cc TELNETasp_PT.cc *.c"
+FILES="*.ttcn *.ttcnpp IPA_CodecPort_CtrlFunctDef.cc IPL4asp_PT.cc IPL4asp_discovery.cc TCCConversion.cc TCCInterface.cc SCTPasp_PT.cc RTP_EncDec.cc SDP_EncDec.cc RTP_CodecPort_CtrlFunctDef.cc MGCP_CodecPort_CtrlFunctDef.cc IuUP_EncDec.cc Native_FunctionDefs.cc TELNETasp_PT.cc *.c"
+
+export CPPFLAGS_TTCN3="-DIPA_EMULATION_RSL -DIPA_EMULATION_MGCP"
 
 ../regen-makefile.sh $MAIN $FILES