diff --git a/Monicelli.y b/Monicelli.y
index e79c4fd..0c81e6b 100644
--- a/Monicelli.y
+++ b/Monicelli.y
@@ -57,7 +57,7 @@ args:
     /* epsilon */ | PARAMS arglist
 ;
 arglist:
-    ID | ID arglist
+    variable | variable arglist
 ;
 main:
     MAIN statements