diff --git a/nml/parser.py b/nml/parser.py
index 8d28382..d23764b 100644
--- a/nml/parser.py
+++ b/nml/parser.py
@@ -441,8 +441,12 @@ class NMLParser(object):
         else: t[0] = t[1] + [switch.RandomChoice(t[2], t[4])]
 
     def p_produce(self, t):
-        'produce : PRODUCE LPAREN expression_list RPAREN SEMICOLON'
-        t[0] = produce.Produce(t[3], t.lineno(1))
+        '''produce : PRODUCE LPAREN ID COMMA expression COMMA expression COMMA expression COMMA expression COMMA expression RPAREN SEMICOLON
+                   | PRODUCE LPAREN ID COMMA expression COMMA expression COMMA expression COMMA expression COMMA expression COMMA expression RPAREN SEMICOLON'''
+        if len(t) == 16:
+            t[0] = produce.Produce([t[3], t[5], t[7], t[9], t[11], t[13]], t.lineno(1))
+        else:
+            t[0] = produce.Produce([t[3], t[5], t[7], t[9], t[11], t[13], t[15]], t.lineno(1))
 
     def p_produce_cargo_list(self, t):
         '''produce_cargo_list : LBRACKET RBRACKET