diff --git a/msc/regen_makefile.sh b/msc/regen_makefile.sh
index cbb491d..4ca9558 100755
--- a/msc/regen_makefile.sh
+++ b/msc/regen_makefile.sh
@@ -1,8 +1,46 @@
 #!/bin/sh
 
-FILES="*.ttcn *.ttcnpp SCCP_EncDec.cc  SCTPasp_PT.cc  TCCConversion.cc TCCInterface.cc UD_PT.cc MNCC_EncDec.cc IPL4asp_PT.cc IPL4asp_discovery.cc SDP_EncDec.cc RTP_EncDec.cc IPA_CodecPort_CtrlFunctDef.cc RTP_CodecPort_CtrlFunctDef.cc MGCP_CodecPort_CtrlFunctDef.cc TELNETasp_PT.cc Native_FunctionDefs.cc SMPP_EncDec.cc SMPP_CodecPort_CtrlFunctDef.cc MAP_EncDec.cc SS_EncDec.cc TCCEncoding.cc SGsAP_CodecPort_CtrlFunctDef.cc RANAP_EncDec.cc TCCOpenSecurity.cc *.c *.asn"
+FILES="
+	*.asn
+	*.c
+	*.ttcn
+	*.ttcnpp
+	IPA_CodecPort_CtrlFunctDef.cc
+	IPL4asp_PT.cc
+	IPL4asp_discovery.cc
+	MAP_EncDec.cc
+	MGCP_CodecPort_CtrlFunctDef.cc
+	MNCC_EncDec.cc
+	Native_FunctionDefs.cc
+	RANAP_EncDec.cc
+	RTP_CodecPort_CtrlFunctDef.cc
+	RTP_EncDec.cc
+	SCCP_EncDec.cc
+	SCTPasp_PT.cc
+	SDP_EncDec.cc
+	SGsAP_CodecPort_CtrlFunctDef.cc
+	SMPP_CodecPort_CtrlFunctDef.cc
+	SMPP_EncDec.cc
+	SS_EncDec.cc
+	TCCConversion.cc
+	TCCEncoding.cc
+	TCCInterface.cc
+	TCCOpenSecurity.cc
+	TELNETasp_PT.cc
+	UD_PT.cc
+"
 
-export CPPFLAGS_TTCN3="-DIPA_EMULATION_MGCP -DIPA_EMULATION_CTRL -DIPA_EMULATION_GSUP -DIPA_EMULATION_SCCP -DRAN_EMULATION_BSSAP -DRAN_EMULATION_MGCP -DRAN_EMULATION_CTRL -DRAN_EMULATION_RANAP -DUSE_MTP3_DISTRIBUTOR"
+export CPPFLAGS_TTCN3="
+	-DIPA_EMULATION_CTRL
+	-DIPA_EMULATION_GSUP
+	-DIPA_EMULATION_MGCP
+	-DIPA_EMULATION_SCCP
+	-DRAN_EMULATION_BSSAP
+	-DRAN_EMULATION_CTRL
+	-DRAN_EMULATION_MGCP
+	-DRAN_EMULATION_RANAP
+	-DUSE_MTP3_DISTRIBUTOR
+"
 
 ../regen-makefile.sh MSC_Tests.ttcn $FILES