diff --git a/in/scripts/gen_tgc_sc.py b/in/scripts/gen_tgc_sc.py
index a49911a..d132103 100755
--- a/in/scripts/gen_tgc_sc.py
+++ b/in/scripts/gen_tgc_sc.py
@@ -3,7 +3,7 @@
 from sys import argv,exit
 
 OPTIONS_STR = """
-options { use-context-automaton; }
+options { use-context-automaton; make-progressive; }
 """
 
 PROC_STR = """