Index: compile_rules_graph.py
==================================================================
--- compile_rules_graph.py
+++ compile_rules_graph.py
@@ -263,11 +263,11 @@
         return [sOption, sCondition, cAction, sAction, iStartAction, iEndAction]
     elif cAction == "=":
         ## disambiguator
         if sAction[0:1] == "=":
             sAction = sAction[1:]
-        if "define" in sAction and not re.search(r"define\(\\\d+ *, *\[.*\] *\)", sAction):
+        if "define(" in sAction and not re.search(r"define\(\\\d+ *, *\[.*\] *\)", sAction):
             print("# Error in action at line " + sActionId + ": second argument for <define> must be a list of strings")
         sAction = prepareFunction(sAction)
         dFUNCTIONS["_g_d_"+sActionId] = sAction
         sAction = "_g_d_"+sActionId
         return [sOption, sCondition, cAction, sAction]