diff --git a/stp/regen_makefile.sh b/stp/regen_makefile.sh
new file mode 100755
index 0000000..be96829
--- /dev/null
+++ b/stp/regen_makefile.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+FILES="*.ttcn *.ttcnpp SCCP_EncDec.cc SCTPasp_PT.cc TCCConversion.cc  TCCInterface.cc IPL4asp_PT.cc IPL4asp_discovery.cc IPA_CodecPort_CtrlFunctDef.cc TELNETasp_PT.cc Native_FunctionDefs.cc TCCEncoding.cc M3UA_CodecPort_CtrlFunctDef.cc "
+
+export CPPFLAGS_TTCN3="-DIPA_EMULATION_CTRL -DIPA_EMULATION_SCCP -DUSE_MTP3_DISTRIBUTOR"
+
+../regen-makefile.sh STP_Tests.ttcn $FILES