diff --git a/selftest/regen_makefile.sh b/selftest/regen_makefile.sh
index 086441b..eefda49 100755
--- a/selftest/regen_makefile.sh
+++ b/selftest/regen_makefile.sh
@@ -4,12 +4,4 @@
 
 FILES="*.ttcn IPA_CodecPort_CtrlFunctDef.cc IPL4asp_PT.cc IPL4asp_discovery.cc TCCConversion.cc TCCInterface.cc SDP_EncDec.cc *.c"
 
-ttcn3_makefilegen -l -f $MAIN $FILES
-sed -i -e 's/# TTCN3_DIR = /TTCN3_DIR = \/usr/' Makefile
-sed -i -e 's/LDFLAGS = /LDFLAGS = -L \/usr\/lib\/titan /' Makefile
-#sed -i -e 's/TTCN3_LIB = ttcn3-parallel/TTCN3_LIB = ttcn3/' Makefile
-sed -i -e 's/CPPFLAGS = -D$(PLATFORM) -I$(TTCN3_DIR)\/include/CPPFLAGS = -D$(PLATFORM) -I$(TTCN3_DIR)\/include -I\/usr\/include\/titan/' Makefile
-
-# for TITAN 6.3.0
-sed -i -e 's/TTCN3_DIR = $/TTCN3_DIR = \/usr/' Makefile
-sed -i -e 's/\/bin\/compiler/\/bin\/ttcn3_compiler/' Makefile
+../regen-makefile.sh $MAIN $FILES