diff --git a/src/osmo_gsm_tester/templates/osmo-mobile-lu.lua.tmpl b/src/osmo_gsm_tester/templates/osmo-mobile.lua.tmpl
similarity index 73%
rename from src/osmo_gsm_tester/templates/osmo-mobile-lu.lua.tmpl
rename to src/osmo_gsm_tester/templates/osmo-mobile.lua.tmpl
index c25d799..0adb895 100644
--- a/src/osmo_gsm_tester/templates/osmo-mobile-lu.lua.tmpl
+++ b/src/osmo_gsm_tester/templates/osmo-mobile.lua.tmpl
@@ -2,13 +2,20 @@
 event = require('ms_support')
 send = 1
 
-function mm_cb(new_state, new_substate, old_substate)
+
+function lu_test_mm_cb(new_state, new_substate, old_substate)
         if new_state == 19 and new_substate == 1 and send == 1 then
             send = 0
             event.send({lu_done=1})
         end
 end
 
+function mm_cb(new_state, new_substate, old_substate)
+% if test.run_lu_test:
+	lu_test_mm_cb(new_state, new_substate, old_substate)
+% endif
+end
+
 local cbs = {
         Mm=mm_cb
 }