diff --git a/erlang/rebar.config b/erlang/rebar.config
index 0a154c4..63a8045 100644
--- a/erlang/rebar.config
+++ b/erlang/rebar.config
@@ -79,15 +79,13 @@
   , {sim_core, calculate_ea, 5}
   ]}.
 
-{escript_emu_args, "%%! +sbtu +A1 +Bd -noshell -smp auto\n"}.
-
-{profiles,
-  [ {'8to9', [{escript_main_app, '8to9'}]}
-  , {ar, [{escript_main_app, ar}]}
-  , {as, [{escript_main_app, as}]}
-  , {ld, [{escript_main_app, ld}]}
-  , {nm, [{escript_main_app, nm}]}
-  , {od, [{escript_main_app, od}]}
-  , {readelf, [{escript_main_app, readelf}]}
-  , {sim, [{escript_main_app, sim}]}
+{profiles, % append "-escript main <MainApp>" so the scripts work even if they are renamed (e.g. prefixed by pdp10-elf-)
+  [ {'8to9',  [{escript_main_app, '8to9'},  {escript_emu_args, "%%! +sbtu +A1 +Bd -noshell -smp auto -escript main 8to9\n"}]}
+  , {ar,      [{escript_main_app, ar},      {escript_emu_args, "%%! +sbtu +A1 +Bd -noshell -smp auto -escript main ar\n"}]}
+  , {as,      [{escript_main_app, as},      {escript_emu_args, "%%! +sbtu +A1 +Bd -noshell -smp auto -escript main as\n"}]}
+  , {ld,      [{escript_main_app, ld},      {escript_emu_args, "%%! +sbtu +A1 +Bd -noshell -smp auto -escript main ld\n"}]}
+  , {nm,      [{escript_main_app, nm},      {escript_emu_args, "%%! +sbtu +A1 +Bd -noshell -smp auto -escript main nm\n"}]}
+  , {od,      [{escript_main_app, od},      {escript_emu_args, "%%! +sbtu +A1 +Bd -noshell -smp auto -escript main od\n"}]}
+  , {readelf, [{escript_main_app, readelf}, {escript_emu_args, "%%! +sbtu +A1 +Bd -noshell -smp auto -escript main readelf\n"}]}
+  , {sim,     [{escript_main_app, sim},     {escript_emu_args, "%%! +sbtu +A1 +Bd -noshell -smp auto -escript main sim\n"}]}
   ]}.